The probability of drawing a white ball given that the ball is odd-numbered is 1/3.
We have,
There are a total of 15 balls in the bag, out of which 6 are white and odd-numbered.
To find the probability of drawing a white ball given that it is odd-numbered, we need to use conditional probability.
Let A be the event that the ball is white and B be the event that the ball is odd-numbered.
Then, we need to find P(A|B), the probability of A given B.
We know that P(B), the probability of drawing an odd-numbered ball, is:
P(B) = number of odd-numbered balls / total number of balls
= 9 / 15
= 3 / 5
We also know that P(A and B), the probability of drawing a white odd-numbered ball, is:
P(A and B) = number of white odd-numbered balls / total number of balls
= 3 / 15
= 1 / 5
Using the formula for conditional probability, we have:
P(A|B) = P(A and B) / P(B)
= (1/5) / (3/5)
= 1/3
Therefore,
The probability of drawing a white ball given that the ball is odd-numbered is 1/3.
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Evaluate x – 2y if x = –3 and y = –6.
1. 15
2. 9
3. -9
4. -15
Answer:
-15
Step-by-step explanation:
-3 - 2(-6)
-3 -12
-15
Tanya drives to work every day and passes two dependently operated traffic lights. The probability that both lights are red is 0.35. The probability that the first light is red is 0.62. What is the probability that the second light is red, given that the first light is red?
Answer:
\(P(B|A)=0.565\)
Step-by-step explanation:
Call A to the event that represents a red light at the first traffic light
Then, call B the event that represents a red light at the second traffic light.
Then we know that:
P(A∩B) = 0.35
P(A) = 0.62
Then the probability that the second light is red because the first one is red is:
\(P(B|A)=\dfrac{P(A \ and \ B)}{P(A)}\)
Then:
\(P(B|A)=\dfrac{0.35}{0.62}\)
\(P(B|A)=0.565\)
There is a 56.5% chance that the second light is in red
Suppose we roll a red die and a green die. Let A be the event that the number of spots showing on the red die is three or less and B be the event that the number of spots showing on the green die is more than three. The events A and B are
Both events A and B have probabilities of 1/12, and they are independent events since the outcome on one die does not affect the outcome on the other die.
The event A consists of all outcomes in which the number of spots showing on the red die is three or less.
Since the red die has six equally likely outcomes (1, 2, 3, 4, 5, and 6), the probability of A is:
P(A) = the number of outcomes in A / the total number of possible outcomes.
Out of the six possible outcomes on the red die, three of them are three or less: 1, 2, and 3.
Therefore, the number of outcomes in A is three.
Since there are six equally likely outcomes for the green die as well, the total number of possible outcomes is 6 x 6 = 36.
Therefore, we have:
P(A) = 3/36 = 1/12.
The event B consists of all outcomes in which the number of spots showing on the green die is more than three.
There are also three outcomes on the green die that satisfy this condition: 4, 5, and 6.
Thus, we have:
P(B) = 3/36 = 1/12.
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how to write 1/8 as percent
Answer:
12.5%
Step-by-step explanation:
1/8=0.125=12.5%
DUE SOON PLEASE HELP
Are any of the Triangles shown below mathematically similar?
Please demonstrate your knowledge of similar triangles by a written
explanation of your answer using mathematical reasoning. The relationship
between each of the three triangles is worth 5 points each.
(I know that Triangle PRQ is 180-80-20= 80 degrees for angle P. I’m stuck on the other two triangles)
Answer:
Step-by-step explanation:
ΔVWX is an isosceles triangle.
∠V ≅∠W = 20
20 + 20 + ∠X = 180
∠X = 180 - 40
∠x = 140
In ΔPQR
∠P + 20 + 80 = 180 {Angle sum property of triangle}
∠P + 100 = 180
∠P = 180 - 100
∠P = 80
In ΔSTV is an isosceles triangle.
∠S ≅ ∠T = 80°
∠V + 80 + 80 = 180
∠V + 160 = 180
∠V = 180 - 160
∠V = 20°
In ΔPRQ & ΔSTV
∠P ≅ ∠S = 80°
∠R ≅ ∠T = 80°
∠Q ≅ ∠v = 20°
ΔPRQ ` ΔSTV are similar by AAA congruent
What is the value of x in the triangle?
Answer:
a. 10√2
Step-by-step explanation:
hey, just use Pythagoras theorem
h²=p²+b²=10²+10²=100+100=200
h²=200, h= √200 =√(100×2)=√100×√2=10√2
The bill from your plumber was $134. The cost for labor was $32 per hour. The cost for materials
was $46. How many hours did the plumber work.
Answer:
2.75 hours, or 2 hours and 45 minutes
Step-by-step explanation:
Subtract the cost of materials from the bill, 134-46=88.
Then, for every hour, he charges 32, so divide the difference by 32, 88/32.
Suppose M(3-1) is the midpoint and B has coordinates (1,4). What are the coordinates of A?
Hi! Been out due to medical issues. Trying to learn work so help would be appreciated! Thank you so much.
To answer this question we will set and solve a system of equations.
Let A be the speed (in miles per hour) of the airplane in still air, and W be the wind speed (in miles per hour).
Since the airplane flying with the wind takes 4 hours to travel a distance of 1200 miles and flying against the wind takes 5 hours to travel the same distance, then we can set the following equation:
\(\begin{gathered} 4A+4W=1200, \\ 5A-5W=1200. \end{gathered}\)Dividing the first equation by 4 we get:
\(\begin{gathered} \frac{4A+4W}{4}=\frac{1200}{4}, \\ A+W=300. \end{gathered}\)Subtracting A from the above equation we get:
\(\begin{gathered} A+W-A=300-A, \\ W=300-A\text{.} \end{gathered}\)Substituting the above equation in the second one we get:
\(5A-5(300-A)=1200.\)Simplifying the above result we get:
\(\begin{gathered} 5A-1500+5A=1200, \\ 10A-1500=1200. \end{gathered}\)Adding 1500 to the above equation we get:
\(\begin{gathered} 10A-1500+1500=1200+1500, \\ 10A=2700. \end{gathered}\)Dividing the above equation by 10 we get:
\(\begin{gathered} \frac{10A}{10}=\frac{2700}{10}, \\ A=270. \end{gathered}\)Finally, substituting A=270 at W=300-A we get:
\(\begin{gathered} W=300-270, \\ W=30. \end{gathered}\)Answer:
The speed of the airplane in still air is 270 miles per hour.
The wind speed is 30 miles per hour.
Show that the function below (0, t < 0 e(t) = {1, t≥ 0 has the following representation: e(t) = lim { ε-0 2π -+[infinity]0 e-lzt 00 z+ie
The given function e(t) can be represented as: e(t) = lim(ε→0) 2π ∫[-∞, ∞] e^(-lzt) dz
To show this representation, we can start by considering the Laplace transform of e(t). The Laplace transform of a function f(t) is defined as:
F(s) = ∫[0, ∞] e^(-st) f(t) dt
In this case, we have e(t) = 1 for t ≥ 0 and e(t) = 0 for t < 0. Let's split the Laplace transform integral into two parts:
F(s) = ∫[0, ∞] e^(-st) f(t) dt + ∫[-∞, 0] e^(-st) f(t) dt
For the first integral, since f(t) = 1 for t ≥ 0, we have:
∫[0, ∞] e^(-st) f(t) dt = ∫[0, ∞] e^(-st) dt
Evaluating the integral, we get:
∫[0, ∞] e^(-st) dt = [-1/s * e^(-st)] from 0 to ∞
= [-1/s * e^(-s∞)] - [-1/s * e^(-s0)]
= [-1/s * 0] - [-1/s * 1]
= 1/s
For the second integral, since f(t) = 0 for t < 0, we have:
∫[-∞, 0] e^(-st) f(t) dt = ∫[-∞, 0] e^(-st) * 0 dt
= 0
Combining the results, we have:
F(s) = 1/s + 0
= 1/s
Now, let's consider the inverse Laplace transform of F(s) = 1/s. The inverse Laplace transform of 1/s is given by the formula:
f(t) = L^(-1){F(s)}
In this case, the inverse Laplace transform of 1/s is:
f(t) = L^(-1){1/s}
= 1
Therefore, we have shown that the function e(t) can be represented as:
e(t) = lim(ε→0) 2π ∫[-∞, ∞] e^(-lzt) dz
which is equivalent to:
e(t) = 1, for t ≥ 0
e(t) = 0, for t < 0
This representation is consistent with the given function e(t) = {1, t≥ 0 and e(t) = 0, t < 0.
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The given function e(t) can be represented as: e(t) = lim(ε→0) 2π ∫[-∞, ∞] e^(-lzt) dz
To show this representation, we can start by considering the Laplace transform of e(t). The Laplace transform of a function f(t) is defined as:
F(s) = ∫[0, ∞] e^(-st) f(t) dt
In this case, we have e(t) = 1 for t ≥ 0 and e(t) = 0 for t < 0. Let's split the Laplace transform integral into two parts:
F(s) = ∫[0, ∞] e^(-st) f(t) dt + ∫[-∞, 0] e^(-st) f(t) dt
For the first integral, since f(t) = 1 for t ≥ 0, we have:
∫[0, ∞] e^(-st) f(t) dt = ∫[0, ∞] e^(-st) dt
Evaluating the integral, we get:
∫[0, ∞] e^(-st) dt = [-1/s * e^(-st)] from 0 to ∞
= [-1/s * e^(-s∞)] - [-1/s * e^(-s0)]
= [-1/s * 0] - [-1/s * 1]
= 1/s
For the second integral, since f(t) = 0 for t < 0, we have:
∫[-∞, 0] e^(-st) f(t) dt = ∫[-∞, 0] e^(-st) * 0 dt
= 0
Combining the results, we have:
F(s) = 1/s + 0
= 1/s
Now, let's consider the inverse Laplace transform of F(s) = 1/s. The inverse Laplace transform of 1/s is given by the formula:
f(t) = L^(-1){F(s)}
In this case, the inverse Laplace transform of 1/s is:
f(t) = L^(-1){1/s}
= 1
Therefore, we have shown that the function e(t) can be represented as:
e(t) = lim(ε→0) 2π ∫[-∞, ∞] e^(-lzt) dz
which is equivalent to:
e(t) = 1, for t ≥ 0
e(t) = 0, for t < 0
This representation is consistent with the given function e(t) = {1, t≥ 0 and e(t) = 0, t < 0.
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What is the slope of the following line? y=2x+5
5
2
5/2
3
WILL GIVE BRAINLIEST
please please help! I'm just bad at trig..
don't bother to scam, because you won't earn points anyway. You'll be rewarded if you help!
Answer:
P=61°
Step-by-step explanation:
P²=C²+ U²–2 C U cos P
189²= 215²+123²– 2×215×123×cos p
P= 61°
I hope I helped you^_^
Evaluate (5.1) 2 Show your work.
Answer: What is the question
Step-by-step explanation:
5.1²
5.1 * 5.1
26.01
a box with a swuare base and open top much have a voume of 32cm^3. find the dimensions of the box that minimise the amount of material used
The dimensions of the box that minimize the amount of material used are a square base with side length 4√2 cm and a height of 2√2 cm..
To minimize the amount of material used, we need to minimize the surface area of the box.
Let's call the height of the box "h" and the length of each side of the square base "x".
The volume of the box is given by V = x^2 * h = 32 cm^3.
We want to minimize the surface area, which consists of the area of the base (x^2) and the four sides (4xh). So the surface area is given by:
A = x^2 + 4xh
We can solve for h in terms of x using the volume equation:
h = 32 / x^2
Substituting this into the surface area equation, we get:
A = x^2 + 4x(32/x^2)
Simplifying this equation, we get:
A = x^2 + 128/x
To minimize the surface area, we need to find the value of x that makes the derivative of A with respect to x equal to zero:
dA/dx = 2x - 128/x^2 = 0
Solving for x, we get:
x = 4√2 cm
Substituting this value back into the equation for h, we get:
h = 2√2 cm
So the dimensions of the box that minimize the amount of material used are a square base with side length 4√2 cm and a height of 2√2 cm.
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Best disc and answer will get BRAINLIEST
Answer:
A is the answer
Step-by-step explanation:
All you have to do is follow the order pair such as 2, 100 and see if that is a correct pair.
Hope that helps
Answer: A. (2, 100)
Step-by-step explanation:
Based on the scatter plot, which x value would best match y = 12 ?
A- 3
B-4
C-48
D-56
The value of x that best match y = 12 is 4. Therefore, the answer is B. 4.
What is a scattered plot?A scatter plot is a set of points plotted on a horizontal and vertical axis. In other words, a scatterplot is a type of data display that shows the relationship between two numerical variables.
Therefore, the scattered plot shows the relationship between the variable x and variable y as follows:
Let's trace the value of x that best fit the value of y = 12.
Hence, the value of x that fit y = 12 is 4.
Therefore, the answer is B.
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The area of a rectangle is 24,396 square centimeters. If the width is 38 centimeters, what is the length?
Answer:
642
Step-by-step explanation:
area equals LxW
divide 24396/38
answer 642
642x38= 24396
The distance formula will occasionally yields a negative number
Answer:
This is a false statement. The distance formula could never yield a negative number as distance cannot be negative.
The average of a sample of high daily temperature in a desert is 114 degrees F, a sample standard deviation or 5 degrees F, and 26 days were sampled. What is the 90% confidence interval for the average temperature? Please state your answer in a complete sentence, using language relevant to this question.
In a sample of 26 days from the desert, the average of the high daily temperature is 114 degrees F, and the sample standard deviation is 5 degrees F.
To determine the 90% confidence interval for the average temperature, we can use the t-distribution as follows:To find the critical value of t, we can use the t-table. Since our sample has n = 26, the degrees of freedom (df) are n - 1 = 25. At a confidence level of 90%, with 25 degrees of freedom, the critical t-value is 1.708.The standard error of the mean is calculated as s / sqrt(n), where s is the sample standard deviation and n is the sample size. Therefore, the 90% confidence interval for the average temperature is (114 - 1.67, 114 + 1.67), or (112.33, 115.67) degrees F.
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Kyle is at guntersville state park and is taking a survey to see what alabama residence think of the access fee to the park. Biased or unbiased?
Answer:
Biased
Step-by-step explanation:
Asking people about their opinions on the park while in the park would give biased results. To get unbiased results, Kyle would have to ask people outside the park their opinions.
Explain why this is not a polygon (10 points)
Choose the property used to rewrite the expression. Log4 7 + log4 2= log4 14 Commutative Property Power Property Product Property Quotient Property
The property used to rewrite the expression is the Product Property.
The given expression is log4(7) + log4(2) = log4(14). In this expression, we are trying to identify which logarithmic property has been used. The Product Property of logarithms states that logb(x) + logb(y) = logb(xy), where b is the base, and x and y are the values being logged. Comparing this property with our given expression, we see that the base (b) is 4, x is 7, and y is 2. So, log4(7) + log4(2) = log4(7 * 2) = log4(14). As we can see, the expression follows the Product Property of logarithms, and therefore, that is the property used to rewrite the given expression.
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What is a "gestalt"? How do the experimental examples provided in the text (Necker cube, visual cliff, etc.) help demonstrate principles of perceptual organization?; choose one example to discuss specifically.
The Kanizsa triangle illusion helps us understand that our perceptual experiences are not simply the sum of the individual sensory inputs, but rather the result of a complex and variable process of perceptual organization.
Gestalt is a German word meaning "shape" or "form," and in psychology, it refers to a set of principles that describe how people perceive and organize sensory information into meaningful wholes. These principles propose that the whole is greater than the sum of its parts, and that we tend to organize our perceptual experiences into coherent, holistic forms rather than isolated, unrelated sensations.
Experimental examples such as the Necker cube, visual cliff, and others help demonstrate principles of perceptual organization by highlighting how our minds naturally try to impose structure and order on sensory input. For example, the Necker cube is a two-dimensional drawing that can be perceived as a cube that can be viewed from different angles. However, as one stares at the image, it appears to flip back and forth between different possible interpretations. This phenomenon illustrates the Gestalt principle of figure-ground, which describes how we tend to perceive objects as being distinct from their surrounding context.
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Which table of values goes with the equation y = x 2 - 2x + 3?
x y
-2 11
-1 6
0 3
1 2
2 3
x y
-2 3
-1 4
0 3
1 2
2 3
x y
-2 3
-1 2
0 3
1 6
2 11
x y
-2 3
-1 2
0 0
1 4
2 11
Answer:
32 its negatived but u have more so its positive {{32
Step-by-step explanation:
3.4z + 6.3 = -1.7z + 41.7
What’s z?
Answer:
z= 118/17 or 6.94
Step-by-step explanation:
i hope this is the right answer but try using Symbolab its what I use all the time
Solve the following...
\(\sf 2+x =-9\)
Answer:
x is equal to -11Step-by-step explanation:
Since adding a negative to a positive is inverse subtracting, use this as an advantage and act as if you're subtracting to get the result, or output value, -9.
Hope this helps! :)
Answer:
\( \sf \: x = - 11\)
Step-by-step explanation:
Now we have to,
→ find the required value of x.
The equation is,
→ 2 + x = -9
Then the value of x will be,
→ 2 + x = -9
→ x + 2 = -9
→ x = -9 - 2
→ [ x = -11 ]
Hence, the value of x is -11.
9. In a recent taste test, 1017 out of 1250 people could not tell the difference between a popular soda's original flavor and the new calorie-fre
difference. Find a test statistic for the proportion.
z = 2.21
z = 1.38
z = 1.20
z = 0.39
Answer:
z=1.20
Step-by-step explanation:
Just Took Test
Find the slope of the line.
Simplify completely.
1 2 3 4
-4 -3 -4 -1
-1
Slope = [?]
Hint: The slope of a line is the rise
run
The slope of a line is -2.
How to find the slope a line?The slope of a line can be described as follows:
The slope of a line is a measure of its steepness
Slope = rise / run
slope = y₂ - y₁ / x₂ - x₁
using (0, -4)(-1, -2)
x₁ = 0
x₂ = -1
y₁ = -4
y₂ = -2
Therefore,
slope = -2 - (-4) / -1 - 0
slope = -2 + 4 / -1
slope = 2 / -1
slope = -2
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If the absolute value of the correlation is very close to 0, the error in prediction will be ______. Group of answer choices very low 0 low high
If the absolute value of the correlation is very close to 0, the error in prediction will be high.
This is because a correlation close to 0 indicates that there is no strong relationship between the variables, and therefore it is difficult to accurately predict one variable based on the other. A correlation value of zero or almost zero indicates that there is no significant link between the variables. A perfect correlation, or coefficient of -1.0 or +1.0, means that changes in one variable exactly anticipate changes in the other. A value of 1 indicates a direct and flawlessly positive link.
No linear relationship exists when the correlation coefficient is 0.
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If the absolute value of the correlation is very close to 0, the error in prediction will be high. The correct answer is D.
When the absolute value of the correlation coefficient is very close to 0, it indicates a weak or negligible linear relationship between the variables being studied. In this case, the variables have little or no linear association.
A low correlation means that there is no strong linear pattern or trend in the data. As a result, it becomes difficult to make accurate predictions or estimates based on the relationship between the variables. The lack of a strong relationship means that the variability in one variable does not provide meaningful information about the variability in the other variable.
Therefore, when the absolute value of the correlation is close to 0, the error in prediction tends to be high. This means that the predicted values based on the weak correlation are likely to deviate significantly from the actual values.
The lack of a strong relationship makes it challenging to accurately estimate or predict one variable based on the other variable. The correct answer is D.
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what is 30087665554 time 455344566544466544
Answer:
1.370025503 ×10^27
Step-by-step explanation: