Answer:
look below
Step-by-step explanation:
a)
x ÷ 60 = num of days
b)
if we substitute x for 280,
280 ÷ 60 = 4.3333...
It will take 4.333 days (4 days 8 hr) to complete the novel.
please I need help fast
The function f(x) is a logarithmic function with a horizontal asymptote of y = 6. The range of the function is [-∞, 6], and it is decreasing on its domain of [2, -∞]. The end behavior on the LEFT side is as x → -∞, y → 6, and the end behavior on the RIGHT side is as x → ∞, y → -∞.
How to write an equation for the transformed logarithm?In Mathematics, the general form of a logarithm function is represented by the following mathematical equation:
f(x) = alog(±x + c)
Where:
a represent the scale factor of the logarithmic graphc represent a horizontal translation or vertical translation.x represent the base.By critically observing the logarithmic graph that models this logarithm function, we can logically deduce the following key features;
The horizontal asymptote is at y = 6.
The range of the logarithm function is [-∞, 6].
The logarithm function is decreasing on its domain of [2, -∞].
The end behavior on the LEFT side is as x → -∞, y → 6.
The end behavior on the RIGHT side is as x → ∞, y → -∞.
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where are module variables, parameters, and temporary variables introduced and initialized in a program?
Answer:
Step-by-step explanation:
Module variables, parameters, and temporary variables are introduced and initialized in different parts of a program. Module variables are typically declared at the beginning of a module or file and are accessible throughout that module.
Parameters are introduced when defining functions or subroutines, serving as placeholders for values that will be passed into the function. Temporary variables are created within the scope of a function or subroutine to store intermediate values during the execution of the program.
Module variables are usually declared at the beginning of a module or file, outside of any specific function or subroutine. They are initialized with a value or left uninitialized, depending on the programming language. Module variables can be accessed and modified by any function or subroutine within the module, making them useful for storing data that needs to be shared across different parts of the program.
Parameters, on the other hand, are introduced when defining functions or subroutines. They are listed within the parentheses after the function/subroutine name and are separated by commas if there are multiple parameters. When a function is called, values are passed into these parameters, which then serve as variables within the function's scope. Parameters are initialized with the values provided at the function call, allowing the function to operate on different input data each time it is invoked.
Temporary variables are typically created within the body of a function or subroutine to store intermediate values during program execution. They are declared and initialized as needed within the function's block of code. Temporary variables are used for calculations, storage, or transformations of data within the function and are usually not accessible outside of the function's scope. Once the function completes its execution, the temporary variables are no longer available in memory.
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Caleb an investment banker sold his shares for $18,189.27 when there was a boom in the stock market. Calculate the amount he paid for the shares if his selling price was 130% of the amount he paid for the shares.
Therefore, Caleb paid approximately $14,067.90 for the shares.
Let's assume the amount Caleb paid for the shares is represented by the variable "x". According to the given information, his selling price was 130% of the amount he paid.
Selling price = 130% of the amount paid
$18,189.27 = 1.3 * x
To find the amount he paid for the shares, we can solve the equation for "x" by dividing both sides by 1.3:
x = $18,189.27 / 1.3
Calculating this, we find:
x ≈ $14,067.90
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Which of the following shows the correct first step to solve x^2-18x=-45
A x^2 - 18x + 18= -45 + 18
B. x^2 - 18x + 9 = -45 + 18
C. x^2 -18x + 81 = -45
D. X^2 -18 + 81 = -45 + 81
Answer:
D, X^2 -18 + 81 = -45 + 81
Step-by-step explanation:
it is complating squer method that used for solving x in a quadratic equetion . in this step you will add
(y/2)^2 if y is the cofitient of x .
What is the formula for the circumference of a circle? c = pi r squared c = 2 pi r c = 2 pi r squared c = pi r cubed
The formula for the circumference of a circle is "c = 2 pi r", where "c" represents the circumference, "pi" represents the mathematical constant pi (approximately equal to 3.14159), and "r" represents the radius of the circle.
This formula relates the distance around a circle to its size, and is useful for calculating various measurements related to circles, such as arc length and sector area. It is important to note that the formula for the circumference of a circle assumes the circle is a perfect, unbroken curve, and thus may not be accurate for circles that are not perfectly round.
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In terms of the cosecant of a positive acute angle, what is the expression for csc 240°?
Answer:
- csc60°
Step-by-step explanation:
240° is in the third quadrant where csc < 0 , thus
csc240° = - csc(240 - 180)° = - csc60°
The expression for cosec 240° in terms of the cosecant of a positive acute angle is -cosec 60°.
What is the value of cosec (180°+α)?The value of cosec (180°+α) is -cosec α because (180°+α) lies in the third quadrant and in the third quadrant cosecant is negative.
So, cosec 240° = cosec (180°+60°)
cosec (180°+α) = -cosec α
So, cosec (180°+60°) = -cosec 60°
Thus, the expression for cosec 240° in terms of the cosecant of a positive acute angle is -cosec 60°.
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I am a quadrilateral with diagonals that always bisect both pairs of opposite angles. Who am I?
(square, rhombus, rectangle, parallelogram, kite, isosceles trapezoid, trapezoid)
A quadrilateral with diagonals that always bisect both pairs of opposite angles is a rhombus.A rhombus is a special type of quadrilateral with all four sides of equal length. It is a type of parallelogram, meaning its opposite sides are parallel.
However, what sets a rhombus apart is its property of having diagonals that bisect both pairs of opposite angles.In comparison, a square also has diagonals that bisect its angles, but it additionally has right angles. A rectangle has right angles and bisecting diagonals, but its sides are not all equal. A parallelogram has parallel sides and diagonals that bisect opposite angles, but its sides are not necessarily equal, and its angles are not necessarily bisected.
A kite has two pairs of equal adjacent sides, but its diagonals do not bisect both pairs of opposite angles. An isosceles trapezoid has one pair of parallel sides and equal base angles, but its diagonals do not bisect all angles. Lastly, a trapezoid has only one pair of parallel sides and does not have diagonals that bisect its angles.
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can someone pls help ASAP :(
Answer:
20.5
Step-by-step explanation:
AB= Sqare root of 15^2 + 14^2
USe pythagoras' theorum
How many spaces in which direction do you need to move the decimal to make a whole number? .0004
5 Spaces to the right
4 spaces to the left
4 spaces to the right
3 spaces to the left
Answer:
4 spaces to the right
Step-by-step explanation:
hope this helps!
My entire life I have noted the sun rises every morning and sets every evening. I am concluding that the sun will rise tomorrow morning and set tomorrow evening. Make an argument as to why this can be inductive or deductive reasoning and include details that indicate your knowledge of the topic.
The argument that the sun will rise tomorrow morning and set tomorrow evening is based on inductive reasoning, using past observations of consistent sunrise and sunset patterns to predict future occurrences.
1. The observation: Throughout your entire life, you have consistently noticed that the sun rises every morning and sets every evening. This is an observation based on personal experience.
2. Inductive reasoning: Based on this observation, you make an inference or prediction about the future. You reason that since the sun has always risen in the morning and set in the evening in the past, it is likely to continue doing so in the future.
3. Pattern and consistency: The assumption is that natural phenomena, such as the rising and setting of the sun, follow a pattern or regularity. This assumption is based on the principle of uniformity of nature, which suggests that the future will resemble the past in terms of natural occurrences.
4. The limitations of inductive reasoning: While inductive reasoning provides a useful way to make predictions based on past observations, it is not foolproof. There is always a small possibility that something unexpected could happen, such as a rare astronomical event or an external factor that alters the pattern. However, based on the available evidence and the consistency of the observed pattern, the prediction that the sun will rise tomorrow morning and set tomorrow evening is highly probable.
In summary, the argument relies on inductive reasoning, using the past consistent observation of the sun's rising and setting to predict that it will continue to do so in the future. While this reasoning is not infallible, it is a reasonable and practical way to make predictions based on observed patterns in nature.
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hello please help i’ll give brainliest
Answer:
D is the answer for the question
The price of gasoline rose from $3.50 to $3.71 in one week. By what percent 1 point did the gas price rise?
Clare wants to make an open-top box by cutting out corners of a 30 inch by 25 inch piece of poster board and then folding up the sides. The volume `V\left(x\right)` in cubic inches of the open-top box is a function of the side length `x` in inches of the square cutouts.
c) Use the Distributive Property or an Area Diagram to find the product and rewrite your polynomial.
Your original V(x)=4x^{3}-110x^{2}+750x
Your new polynomial:
V(x)=
Clare plans to fold up the sides of a poster board that is 30 inches by 25 inches of box. The volume V(x)=4x³-110x²+750x.
Given that,
Clare plans to fold up the sides of a poster board that is 30 inches by 25 inches and trim the corners to create an open-top box. The open-top box's volume, "V(x)," in cubic inches, depends on the square cuts' side length, "x," in inches.
Length =30 inch
Width=25 inch
The box's size changes when x is taken out of the container.
Length=30-2x
Width=25-2x
Height=x
Because x is eliminated from both ends, we subtract 2x.
The volume is then determined as follows:
V(x)=length×width×height
V(x)=(30-2x)×(25-2x)×x
V(x)=(30-2x)×(25x-2x²)
V(x)=750x-110x²+4x³
V(x)=4x³-110x²+750x
Therefore, the volume V(x)=4x³-110x²+750x.
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What is the angle between vectors
A
=−1
^
+10
^
and
B
=−6
^
+−1
^
? Express your answer as an angle in degrees between 0
∘
and 180
∘
. Part B What is the angle between vectors
C
=5
^
+5
^
and
D
=15
^
−15
^
? Express your answer as an angle in degrees between 0
∘
and 180
∘
. What is the angle between vectors
E
=4
^
+9
k
^
and
F
=8
^
−4
k
^
? Express your answer as an angle in degrees between 0
∘
and 180
∘
. Part D What is the angle between vectors
G
=5
^
+9
^
+4
k
^
and
H
=1
^
+4
^
+1
k
^
Express your answer as an angle in degrees between 0
∘
and 180
∘
.
a) The angle between vectors A and B is approximately 100.18 degrees.(b) The angle between vectors C and D is approximately 45 degrees.c) The angle between vectors E and F is approximately 90 degrees.(d) The angle between vectors G and H is approximately 60 degrees.
To find the angle between two vectors, we can use the dot product formula:
θ = arccos((A · B) / (|A| |B|))
(a) For vectors A = (-1, 10) and B = (-6, -1), we calculate the dot product: A · B = (-1)(-6) + (10)(-1) = 16. The magnitudes are |A| = √((-1)^2 + 10^2) ≈ 10.05 and |B| = √((-6)^2 + (-1)^2) ≈ 6.08. Plugging these values into the formula, we get θ ≈ arccos(16 / (10.05 * 6.08)) ≈ 100.18 degrees.
(b) For vectors C = (5, 5) and D = (15, -15), the dot product is C · D = (5)(15) + (5)(-15) = 0. The magnitudes are |C| = √(5^2 + 5^2) ≈ 7.07 and |D| = √(15^2 + (-15)^2) ≈ 21.21. Plugging these values into the formula, we get θ = arccos(0 / (7.07 * 21.21)) = 45 degrees.
(c) For vectors E = (4, 9, 0) and F = (0, 8, -4), the dot product is E · F = (4)(0) + (9)(8) + (0)(-4) = 72. The magnitudes are |E| = √(4^2 + 9^2 + 0^2) ≈ 9.85 and |F| = √(0^2 + 8^2 + (-4)^2) ≈ 8.94. Plugging these values into the formula, we get θ = arccos(72 / (9.85 * 8.94)) = 90 degrees.
(d) For vectors G = (5, 9, 4) and H = (1, 4, 1), the dot product is G · H = (5)(1) + (9)(4) + (4)(1) = 46. The magnitudes are |G| = √(5^2 + 9^2 + 4^2) ≈ 11.53 and |H| = √(1^2 + 4^2 + 1^2) ≈ 4.58. Plugging these values into the formula, we get θ = arccos(46 / (11.53 * 4.58)) ≈ 60 degrees.
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I need help ASAP!!!!!!!
Answer:
yes GFEH ~LKJM and DCBA ~CRQP
Step-by-step explanation:
if you turn the DCBA shape 90 degrees to the right you can easily see that they're the exact same shape
hope this helps!!
Loan ComparisonLoan 1 Loan 2Principal $5000.00 $5000.00Interest4%4%RateMonthly $148.00 $113.00PaymentHow much moneywill a borrowerusing Loan 1 pay ininterest over thelife of the loan?Duration 36 months 48 monthsB. $328.00A. $424.00D. $592.00C. $452.00
Step-by-step explanation:
The loan borrowed = $5000.00 at 4% interest rate
Monthly payment for the loan = $148 for 36 months
The total amount paid after 36 months = $148 x 36
Total amount =
Brooke used 8 cups of flour to bake 5 cakes. How much flour, on average, did she put in each cake?
On average, Brooke put approximately 1.6 cups of flour in each cake.
To find the average, we need to divide the total amount of flour used by the number of cakes.
Brooke used a total of 8 cups of flour to bake 5 cakes.
To find the average amount of flour per cake, we divide the total amount of flour by the number of cakes:
The average amount of flour per cake = Total amount of flour used / Number of cakes
Average amount of flour per cake = 8 cups / 5 cakes
Dividing 8 cups by 5 cakes, we get:
Average amount of flour per cake = 1.6 cups
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can someone pls help i need a description
Answer:
x = 6 m
Step-by-step explanation:
Given a diagram showing a semicircle atop a rectangle that is 8 m wide, you want to know the height of the rectangle when the overall height of the figure is 10 m.
SemicircleAll points on a circle are the same distance from its center. The center of a semicircle is the midpoint of its straight side. Here, the diameter of the semicircle is shown as 8 m, so the midpoint will be 4 m from either side.
The top point of the semicircle will be 4 m from the center on the top edge of the rectangle.
Since the overall height is 10 m, the rectangle must be 10 -4 = 6 meters high.
The value of x is 6 m.
suppose you have 2 coins, and you flip them at the same time different times. what is the expected number of times that both coins have come up tails?
The expected number of times that both coins have come up tails will be 0.5 or 50%.
The probability of both coins coming up tails on a single flip is 1/4, since each coin has a 1/2 probability of coming up tails and the events are independent. If we flip the coins n times, the number of times both coins come up tails is a binomial random variable with parameters n and 1/4.
The expected value of a binomial random variable is given by np, where p is the probability of success on a single trial. In this case, we have p = 1/4, so the expected number of times that both coins come up tails in n flips is n(1/4). Therefore, if we flip the coins twice simultaneously, the expected number of times that both coins come up tails is (2)*(1/4) = 0.5.
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The price of a train ticket from Lexington to Orlando is normally $128.00. However, children under the age of 16 receive a 65% discount. Find the sale price for someone under the age of 16.
Answer:
the answer is 83.20 dollars
A number line going from negative 5 to positive 5. From positive 2 to positive 5 is positive 3.
David added 2 and –3 using the number line tool. Which of the following errors did he make?
He started at 2 instead of zero.
He moved right 2 units for positive 2.
He moved right 3 units for negative 3.
He started at zero instead of 2.
The correct statement is :David started at 0 instead of 2
What is a number line in math?A number line is a horizontal line that has equally spread number increments. The numbers included on the line will determine how the number on the line can be answered. The question that goes with the number determines how it will be used, for example, plotting a point.
Given here: In a number line the interval (-5,5) is marked and 2 to 5 is 3
The right steps are
Add 3 to 2 to obtain the required number as there are 3 spaces between 2 and 5
Thus 2+3=5 which is the required answer
but David addes 2-3=-1 which is incorrect.
Hence, David started at 0 instead of 2
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Solve the following equations and check your answers:
log (x+1) - log (x-1) = 2
7^x/2 = 5^1-x
x = 2 is the solution, Since 0.477 is not equal to 27 or 0.2, we can conclude that x = 2 is not a solution to the equation 27^x/2 = 5^1-x.
To solve the equation log (x+1) - log (x-1) = 2, we can use the logarithmic identity log(a) - log(b) = log(a/b). Applying this identity to the left-hand side of the equation, we get:
log((x+1)/(x-1)) = 2
Exponentiating both sides of the equation with base 10, we get:
(x+1)/(x-1) = 10^2
Simplifying the right-hand side, we get:
(x+1)/(x-1) = 100
Cross-multiplying, we get:
x+1 = 100(x-1)
Expanding the right-hand side, we get:
x+1 = 100x - 100
Solving for x, we get:
x = 2
To check our answer, we can substitute x = 2 into the original equation and simplify:
log (2+1) - log (2-1) = log(3) - log(1) = log(3) = 0.477
27^x/2 = 27^(2/2) = 27^1 = 27
5^1-x = 5^(-1) = 0.2
Since 0.477 is not equal to 27 or 0.2, we can conclude that x = 2 is not a solution to the equation 27^x/2 = 5^1-x. Therefore, the only solution to the system of equations is x = 2.
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If d= the number of dogs, which variable expression represents he phase below?
the sum of number of dogs and the 6 cats
Answer:
d+6
Step-by-step explanation:
Because d is representing dogs and sum means add, and it's asking to add the number of cats which is 6 so it's d+6
There are four security stations placed around a
stadium, labeled A through D in the figure. Each
station will be occupied by a guard chosen
randomly from a group of 6 volunteers: Aaron,
Blake, Chelsea, Daria, Eddie, and Francis. What is
the probability that Daria and Blake will be chosen
to be the security guards?
A) 1/15
B) 2/15
C) 4/15
D) 2/5
The probability of Daria and Blake being chosen together is 1/15. So correct option is A.
Describe Probability?Probability is a measure of the likelihood or chance of an event occurring. It is a number between 0 and 1, with 0 indicating that the event is impossible and 1 indicating that the event is certain. Probabilities can be expressed as fractions, decimals, or percentages.
The concept of probability is used in a wide range of fields, including mathematics, statistics, science, engineering, finance, and economics. It is used to make predictions and decisions based on uncertain outcomes.
The probability of an event can be calculated by dividing the number of ways the event can occur by the total number of possible outcomes. This is known as the classical definition of probability. Other methods of calculating probability include empirical probability, which is based on observations or experiments, and subjective probability, which is based on personal judgment or opinion.
The total number of ways to choose 2 guards from 6 volunteers is given by the combination formula:
C(6,2) = 6! / (2! * 4!) = 15
Out of these 15 possible combinations, there is only one way to choose Daria and Blake together. Therefore, the probability of Daria and Blake being chosen together is:
1/15
So, the answer is (A) 1/15.
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the scheduled arrival time for a daily flight from boston to new york is 9:25 am. historical data show that the arrival time follows the continuous uniform distribution with an early arrival time of 9:17 am and a late arrival time of 9:42 am. a. after converting the time data to a minute scale, calculate the mean and the standard deviation of the distribution. (round intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) b. what is the probability that a flight arrives late (later than 9:25 am)? (round intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.)
a. The mean is 569.5 minutes and the standard deviation is approximately 8.7366 minutes. b. The probability that a flight arrives late (later than 9:25 am) is approximately 0.68.
What is probability?
Probability is a measure or quantification of the likelihood or chance of an event occurring. It is a way to express the uncertainty associated with a particular outcome or set of outcomes in a given situation.
a. To calculate the mean and standard deviation of the continuous uniform distribution, we first need to convert the time data to a minute scale.
Early arrival time: 9:17 am = 9 * 60 + 17 = 557 minutes
Late arrival time: 9:42 am = 9 * 60 + 42 = 582 minutes
The continuous uniform distribution is defined by the following formula:
Mean (μ) = (early arrival time + late arrival time) / 2
Standard Deviation (σ) = (late arrival time - early arrival time) / √12
Plugging in the values:
Mean (μ) = (557 + 582) / 2 = 569.5 minutes
Standard Deviation (σ) = (582 - 557) / √12 ≈ 8.7366 minutes (rounded to 4 decimal places)
Therefore, the mean is 569.5 minutes and the standard deviation is approximately 8.7366 minutes.
b. To calculate the probability that a flight arrives late (later than 9:25 am), we need to find the area under the probability density function (PDF) curve beyond 9:25 am.
Since the distribution is continuous uniform, the PDF is a rectangle with a base of (late arrival time - early arrival time) = 582 - 557 = 25 minutes and a height of 1/(late arrival time - early arrival time).
The probability of a late arrival can be calculated as:
Probability of late arrival = (late arrival time - 9:25 am) / (late arrival time - early arrival time)
Converting 9:25 am to minutes: 9 * 60 + 25 = 565 minutes
Probability of late arrival = (582 - 565) / (582 - 557)
= 17 / 25 ≈ 0.68 (rounded to 2 decimal places)
Therefore, the probability that a flight arrives late (later than 9:25 am) is approximately 0.68.
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PLEASE HELP!
Elsa Is taking physical fitness tests in her strength training class. Each day, her results are compared to her resutts from previous days. The first day she completes a test is considered the baseline, and Is represented by 0. For instance, on the first day she did the flexibility test, her result was calculated as 0. On the second day, in comparison to her first day's result, she was able to reach 1 1/16 inches less than the first day, which was recorded as -1 1/16. Then, on the third day, Elsa recorded a result of -5/8.
A. On which day did Elsa reach farther: the second or third day?
B. By how much?
Answer:
A) The second day
B) 9/16 inches
A) Elsa reached farther on the second day because -1/16 > -5/8
B) To calculate this we must first put both fractions above the same denominator. We can then subtract the smaller one from the bigger one:
-1/16 - (-10/16) = 9/16
Elsa reached 9/16 inches farther on the second day then she did on the first.
Hope this helps and have a great day!
Also stay safe! :))))
Choose the correct option.
Rising Stars Inc. has many suppliers as shown in the image. They will make payment to only those
suppliers whose materials meet their specifications. How can the total amount payable be
calculated based on the given information?
OPTIONS
=COUNTIF(B2:B7,"Yes", C2:C7)
=COUNT(B2:87,"Yes", C2:C7)
-SUM(B2:83,86:87)
-SUMIF(B2:87,"Yes",C2:C7)
The correct option to calculate the total amount payable to suppliers whose materials meet the specifications is: SUMIF(B2:87, "Yes", C2:C7)
What is the SUMIF function?The function SUMIF is one that calculates the sum of the values within a certain range (C2:C7) provided that a certain condition is met (B2:B7 reads as "Yes").
By using the SUMIF function and setting specific ranges and criteria, the formula will add up the values within the C2:C7 range exclusively for suppliers whose materials align with the set specifications (which are marked as "Yes" in corresponding cells within B2:B7).
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-3 + 7 - 2
simplifyyyyyyyyy please someone
Answer:
2
Step-by-step explanation:
-3+7=4
4-2=2
Answer:
2
Step-by-step explanation:
-3 is a negative number so,
-3 + 7 is 4.
Then, 4 - 2 is 2.
So the answer is 2.
TRUE or FALSE: The equation 2x + 3y = 32 is not an example of a linear equation in two variables ( I uh need this now-)
Answer:
False
Step-by-step explanation:
It is a linear equasion because it's in ax+by=c form
What method of assigning probabilities to a simple event uses relative frequencies?
The empirical method is the right answer.
Empirical probability is calculated by dividing the number of times an event was seen in your data by the entire sample size. An event's relative frequency is strongly connected to an empirical probability, also known as an experimental probability.
Empirical probability bases its estimation of the likelihood that a specific result will recur on the number of instances of that outcome within a sample set. In short, the empirical method uses relative frequencies to determine probabilities.
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