Answer:
Slope-Intercept form: y = m x + b
y = value of y corresponding to value of x
2 y = 10 x - 6
y = 5 x - 3 equation of line where m is the slope and -3 value of y when x
equals zero
Which fraction is represented by the blue portion of the picture
Answer:
B. 5/8
Step-by-step explanation:
because there are 8 boxes and 5 colored
A forester reported the following distribution of tree types to a local logging company. Tree Type Spruce Pine Fir Deciduous Other Percent 52% 22% 8% 10% 8% The logging company generated a random sample of 100 trees and observed the following distribution of trees in each of the categories. Tree Type Spruce Pine Fir Deciduous Other Observed Count 51 21 10 9 9 The logging company would like to use its sample to provide convincing statistical evidence that over 50 percent of the trees in the forest are spruce trees. The logging company has decided to use a chi-square goodness-of-fit test to justify its claim. Why is the chi-square goodness-of-fit test not an appropriate procedure for the logging company to use?
The chi-square goodness-of-fit test is not an appropriate procedure for the logging company to use. It is because chi-square distribution checks for overall population distribution and not an individual category.
A chi-square goodness-of-fit test would be used to show that the entire distribution of trees in the forest is different than what the forester reported, not necessarily the individual proportion representing the spruce trees.
A statistical hypothesis test called the Chi-square goodness of fit test is used to examine whether a variable is likely to come from a certain distribution or not. It is frequently used to determine if sample data is representative of the entire population. When we have counts of values for a categorical variable, we can utilise the test. This test is equivalent to the Chi-square test of Pearson. It can be used to determine whether our expectations and the observed distribution of a categorical variable differ.
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2. Mylin's Magic Club collects $4,000 from the sale of
tickets when there is a full house. If all the tickets
cost the same amount, how much money will Mylin collect from the purchase of tickets if the club is 75% full?
F. $2,000
G. $2,500
H. $3,000
J. $3,250
K. $3,500
HELP ASAP
Determine the intervals upon which the given function is increasing or decreasing. f(x) = 2x* + 1623 - Increasing on the interval: and Preview Decreasing on the interval: Preview Get Help: Video eBook
The intervals on which the given function is increasing and decreasing are (0, ∞) and (-∞, 0), respectively.
The given function is f(x) = 2x* + 1623.
We need to determine the intervals on which this function is increasing or decreasing.
Here's how we can do it:
First, we find the derivative of f(x) with respect to x. f(x) = 2x² + 1623f'(x) = d/dx [2x² + 1623]f'(x) = 4x
Next, we set f'(x) = 0 to find the critical points.4x = 0 => x = 0So, the only critical point is x = 0.
Now, we check the sign of f'(x) in each of the intervals (-∞, 0) and (0, ∞).
For (-∞, 0), let's take x = -1.
Then, f'(-1) = 4(-1) = -4 (since 4x is negative in this interval).
So, the function is decreasing in the interval (-∞, 0).For (0, ∞), let's take x = 1.
Then, f'(1) = 4(1) = 4 (since 4x is positive in this interval). So, the function is increasing in the interval (0, ∞).
Therefore, we have: Increasing on the interval: (0, ∞) Decreasing on the interval: (-∞, 0)Hence, the intervals on which the given function is increasing and decreasing are (0, ∞) and (-∞, 0), respectively.
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anybody solve this i made it its easy
3(55x2) + 9 + 44 +88 x 9 = your number + 163593
Answer:
165*6+53+792= 990+845 = 1,835
Step-by-step explanation:
f(h+ 9)=?
[f(x) =2x-6]
Answer: Fh+9f
f(h+9)
(f)(h+9)
(f)(h)+(f)(9)
fh+9f
f(x, m, s) = 1 √278² exp (-2/2 (x-m) ²) 28² Write a function in the form of gauss(x, m=0, s=1) for computing the Gaussian density. Compute the Gaussian density for the following cases. (a) x=0, m=0, s-1. Give the name of question5a (b) x-2, m=0, s-1. Give the name of question5b (c) x-0, m-2, s-1. Give the name of question5e (d) x=0, m=2, s=2. Give the name of question5d (e) x=3, m-3, s-3.
Compute the Gaussian density for the following cases. (a) x=0, m=0, s-1. Give the name of question5a (b) x-2, m=0, s-1. The value of the account on January 1, 2021, would be $2,331.57.
To calculate the value of the account on January 1, 2021, we need to consider the compounding interest for each year.
First, we calculate the value of the initial deposit after three years (12 quarters) using the formula for compound interest:
Principal = $1,000
Rate of interest per period = 8% / 4 = 2% per quarter
Number of periods = 12 quarters
Value after three years = Principal * (1 + Rate of interest per period)^(Number of periods)
= $1,000 * (1 + 0.02)^12
≈ $1,166.41
Next, we calculate the value of the additional $1,000 deposit made on January 1, 2019, after two years (8 quarters):
Principal = $1,000
Rate of interest per period = 2% per quarter
Number of periods = 8 quarters
Value after two years = Principal * (1 + Rate of interest per period)^(Number of periods)
= $1,000 * (1 + 0.02)^8
≈ $1,165.16
Finally, we add the two values to find the total value of the account on January 1, 2021:
Total value = Value after three years + Value after two years
≈ $1,166.41 + $1,165.16
≈ $2,331.57
Therefore, the value of the account on January 1, 2021, is approximately $2,331.57.
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for a chi square goodness of fit test, we can use which of the following variable types? select all that apply. for a chi square goodness of fit test, we can use which of the following variable types? select all that apply. nominal level ordinal interval level ratio level
For a chi-square goodness-of-fit test, we can use variables of nominal level and ordinal level.
For a chi-square decency of-fit test, we can utilize the accompanying variable sorts:
Niveau nominal: a variable that has no inherent order or numerical value and is made up of categories or labels. Models incorporate orientation (male/female) or eye tone (blue/brown/green).
Standard level: a category of a natural order or ranking for a variable. Even though the categories are in a relative order, their differences might not be the same. Models incorporate rating scales (e.g., Likert scale: firmly deviate/dissent/impartial/concur/emphatically concur) or instructive accomplishment levels (e.g., secondary school recognition/four year certification/graduate degree).
In this manner, for a chi-square decency of-fit test, we can utilize factors of ostensible level and ordinal level.
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PLEASE HELP ASAP ILL GIVE 11 points
Answer:
11
Step-by-step explanation:
6^2 = 6 x 6 = 36
5^2 = 5 x 5 = 25
36 - 25 = 11
Step-by-step explanation:
everything can be found in the picture above
The state Courtney buys her minivan in charges a license fee of 3% on the purchase price of a vehicle. How much is the license fee for the minivan if the cost is $29,990
Answer:
$899.70
hope this helps if so please award brainlist
Step-by-step explanation:
please help!!
in the function f(x), x is replaced with 3x
f(x)=1/2sin(x)-4
what effect does this have on the graph of the function?
a. the graph is vertically compressed by a factor of 1/3
b. the graph is horizontally compressed by a factor of 1/3
c. the graph is vertically stretched by a factor of 1/3
d. the graph is horizontally stretched by a factor of 1/3
Answer:
D. Horizontally compressed by a factor of 1/3
T
2x
W
Y
3x-5
7. Part A Find the value of x. (1 point)
Ox=1
Ox=5
Ox=19
Ox=37
Z
Answer:
5
Step-by-step explanation:
The two right triangles are congruent by SAS. Thus, by CPCTC,
\(2x=3x-5 \\ \\ -x=-5 \\ \\ x=5\)
Mrs.Tate is 5 feet 3 inches tall. Her daughter is 4 feet 8 inches tall. How much taller is Mrs.Tate than her daughter?
A) 5 inches
B) 7 inches
C) 1 foot 5 inches
D) 1 foot 7 inches
========================================================
Explanation:
1 foot = 12 inches
5 feet = 60 inches (multiply both sides by 5)
5 ft, 3 in = 63 inches (add 3 inches to both sides)
Through similar steps, you should find that 4 ft 8 in converts to 56 inches
The difference is 63-56 = 7 inches
Mandy buys 5.5 packs of organic milk from the neighborhood store. Each pack is priced at $3.96. How much does Mandy spend in all on his purchase?
Answer:
$21.78
Step-by-step explanation:
We know that each pack of milk costs $3.96, so if we buy 5.5 of these, we will have to pay $3.96 5.5 times. In other words, we must multiply 3.96 by 5.5:
3.96 * 5.5 = 21.78
Thus, Mandy spends $21.78 in all.
Solve for k.
10
1323
3
9
CAN U HELP PLEASE
Answer:
Step-by-step explanation:
k/9=10/3 multiply both sides by 9
k=90/3
k=30
Answer:
Hello
\( \frac{10}{3} = \frac{k}{9} \\ 10 \times 9 = 3k \\3 k = 90 \\ k = 90 \div 3 \\ k = 30\)
hope it helps
Have a nice day
HELP MULTIPLE CHOICE
Answer:
\(2( - 4f - 3) - 3f \\ = ( - 4f - 3)2 - 3f \\ both \: are \: equal \: \\ thank \: you\)
Write all factors of 21
Answer:
1, 3, 7, 21
Step by step explanation:
Answer:
1
3
7
21
^^Factors : )
Step-by-step explanation:
HELP :O >>>>Write an equation of the line passing through the point (5, 2) that is perpendicular to the line −x+3y=12.
The equation of the line is y= x+
Answer:
y - 2 = -3(x - 5)
Step-by-step explanation:
Solving the given −x+3y=12. for 3y yields 3y = x + 12, which becomes
x + 12
y = -------------
3
and so we see that the slope of the given line is 1/3. Thus the slope of any line which is perpendicular to this one is the negative reciprocal of 1/3, or -3.
Use the point-slope form of the equation of a straight line and the given point (5, 2) to find the desired equation:
y - k = m(x - h) becomes y - 2 = -3(x - 5)
Assuming no denominator equals zero, which expression is equivalent to the given expression?.
Assuming no denominator equals zero, b^4/a expression is equivalent to the given expression a^3b^5/ a^4b
Definition of Expression in Math? An expression in math is a sentence with a minimum of two numbers or variables and at least one math operation. This math operation can be addition, subtraction, multiplication, or division.
The applicable rules of exponents are ...
(a^b)/(a^c) = a^(b-c)
a^-b = 1/a^b
The expression can be rewritten as ...
a^3b^5/ a^4b
The expression can be rewritten as ...
b^4/a
complete question
Assuming no denominator equals zero, which expression is equivalent to the given expression?.
a^3b^5/ a^4b
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How many solutions does the system have? y=5+6x y=6x+5
Answer:
Infinitely many solutions
Step-by-step explanation:
pls answer this i just do not get it
if you are testing the null hypothesis with an alpha value of 0.05, will the critical value be smaller or larger than if you were testing the alpha value of 0.01? why?
When testing the null hypothesis with an alpha value of 0.05, the critical value will be larger than if you were testing with an alpha value of 0.01.
If you are testing the null hypothesis with an alpha value of 0.05, the critical value will be smaller than if you were testing the alpha value of 0.01. This is because a smaller alpha value means a more stringent test of significance, which requires stronger evidence to reject the null hypothesis.
This is because a larger alpha value represents a higher level of risk that you are willing to accept when rejecting the null hypothesis. A larger critical value means the rejection region is larger, making it more likely for you to reject the null hypothesis if the test statistic falls within that region.Therefore, the critical value is larger for a smaller alpha value to reflect the higher level of evidence required for rejection. Conversely, a larger alpha value allows for a less stringent test of significance, requiring weaker evidence to reject the null hypothesis, which results in a smaller critical value.
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Plsssssssssssssssssssssssssssssssssssss
Answer:
(-4, 3) 2nd quadrant.
Step-by-step explanation:
Which phrase refers to the legal act of lowering an individual’s tax liability?Which phrase refers to the legal act of lowering an individual’s tax liability?
Answer:
Tax avoidance - legal
Tax evasion - illegal
The frequency table represents the job status of a number of high school students. A 4-column table with 3 rows titled job status. The first column has no label with entries currently employed, not currently employed, total. The second column is labeled looking for job with entries 12, 38, 50. The third column is labeled not looking for a job with entries 28, 72, 100. The fourth column is labeled total with entries 40, 110, 150. Which shows the conditional relative frequency table by column? A 4-column table with 3 rows titled job status. The first column has no label with entries currently employed, not currently employed, total. The second column is labeled looking for a job with entries 0.3, nearly equal to 0.33, 1.0. The third column is labeled not looking for job with entries 0.7, nearly equal to 0.65, 1.0. the fourth column is labeled total with entries nearly equal to 0.27, nearly equal to 0.73, 1.0. A 4-column table with 3 rows titled job status. The first column is blank with entries currently employed, not currently employed, total. The second column is labeled Looking for a job with entries 0.12, 0.38, 050. The third column is labeled not looking for a job with entries 0.28, 0.72, 1.00. The fourth column is labeled total with entries 0.4, 1.1, 1.5. A 4-column table with 3 rows titled job status. The first column has no label with entries currently employed, not currently employed, total. The second column is labeled looking for a job with entries 0.24, 0.76, 1.0. The third column is labeled not looking for a job with entries 0.28, 0.72, 1.0. The fourth column is labeled total with entries nearly equal to 0.27, nearly equal to 0.73, 1.0. A 4-column table with 3 rows titled job status. The first column has no label with entries currently employed, not currently employed, total. The second column is labeled looking for job with entries 0.08, nearly equal to 0.25, nearly equal to 0.33. The third column is labeled not looking for a job with entries nearly equal to 0.19, 0.48, nearly equal to 0.67. The f
Answer: b
Step-by-step explanation:
Answer:B
Step-by-step explanation:
Jack Insurance leases a copying machine for $45 per day that is used by all individuals at their office. An average of five persons per hour arrives to use this
machine, with each person using it for an average of eight minutes. Assume the interarrival times and copying times are exponentially distributed.
What is the probability that a person arriving to use the machine will find it idle?
O A.
0.3333
О B.
0.6666
O C.
0.7777
O D.
0.2222
The probability that a person arriving to use the machine will find it idle is 1/3 or 0.3333. Option a is correct.
Use the concept of an M/M/1 queue to calculate the probability, which models a single-server queue with exponential interarrival times and exponential service times.
In this case, the interarrival time follows an exponential distribution with a rate parameter of λ = 5 persons per hour (or 1/12 persons per minute). The service time (copying time) also follows an exponential distribution with a rate parameter of μ = 1/8 persons per minute (since each person uses the machine for an average of 8 minutes).
In an M/M/1 queue, the probability that the system is idle (no person is being served) can be calculated as:
P_idle = ρ⁰ × (1 - ρ), where ρ is the traffic intensity, defined as the ratio of the arrival rate to the service rate. In this case, ρ = λ/μ.
Plugging in the values, we have:
ρ = (1/12) / (1/8) = 2/3
P_idle = (2/3)⁰ × (1 - 2/3) = 1/3
Therefore, the probability is 1/3 or approximately 0.3333.
Thus, option (A) is the correct answer.
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Which expression can be used to add 3/4 + 1/6
Answer:
Socratic app
Step-by-step explanation:
it will help you
whats the most hardest thing
Answer:
diamond or teeth or chromium
Suppose A and B are dependent events. If P(A) = 0.5 and P(BIA) = 0.6, what is
P(AB)?
A. 0.6
B. 0.5
C. 0.3
D. 0.1
If the probability of independent event A is 0.5, then P(A|B) will be 0.5. Then the correct option is B.
Which pair of events are called independent events?When one event's occurrence or non-occurrence doesn't affect occurrence or non-occurrence of other event, then such events are called independent events.
Symbolically, we have:
Two events A and B are said to be independent iff we have:
P(A ∩ B) = P(A)P(B)
Comparing it with chain rule will give
P(A|B) = P(A)
P(B|A) = P(B)
Suppose A and B are dependent events.
If P(A) = 0.5
Then P(A|B) will be
P(A|B) = P(A)
P(A|B) = 0.5
Then the correct option is B.
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(4+2k)⋅6+3k and cant solve it plz help
Answer:
Simplifying
(4 + 2k) * 6 + 3k = 0
Reorder the terms for easier multiplication:
6(4 + 2k) + 3k = 0
(4 * 6 + 2k * 6) + 3k = 0
(24 + 12k) + 3k = 0
Combine like terms: 12k + 3k = 15k
24 + 15k = 0
Solving
24 + 15k = 0
Solving for variable 'k'.
Move all terms containing k to the left, all other terms to the right.
Add '-24' to each side of the equation.
24 + -24 + 15k = 0 + -24
Combine like terms: 24 + -24 = 0
0 + 15k = 0 + -24
15k = 0 + -24
Combine like terms: 0 + -24 = -24
15k = -24
Divide each side by '15'.
k = -1.6
Simplifying
k = -1.6
Step-by-step explanation: