X P(X) X*P(X) (X-m)2*P(X) 2 1/36 =0.028 3 2/36 =0.056 4 3/36 =0.083 ...
|
X |
P(X) |
X*P(X) |
(X-m)2*P(X) |
|
2 |
1/36 =0.028 |
||
|
3 |
2/36 =0.056 |
||
|
4 |
3/36 =0.083 |
||
|
5 |
4/36=0.111 |
||
|
6 |
5/36=0.139 |
||
|
7 |
6/36=0.167 |
||
|
8 |
5/36=0.139 |
||
|
9 |
4/36=0.111 |
||
|
10 |
3/36=0.083 |
||
|
11 |
2/36=0.056 |
||
|
12 |
1/36=0.028 |
||
|
Totals |
complete the table and find the mean and standard deviation.
Homework Answers
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X P(X) X*P(X) (X-m)2*P(X) 2 1/36 =0.028 3 2/36 =0.056 4 3/36 =0.083 ...
X P(X) X*P(X) (X-m)2*P(X) 2 1/36 =0.028 3 2/36 =0.056 4 3/36 =0.083 5 4/36=0.111 6...
X P(X) X*P(X) (X-m)2*P(X) 2 1/36 =0.028 3 2/36 =0.056 4 3/36 =0.083 5 4/36=0.111 6 5/36=0.139 7 6/36=0.167 8 5/36=0.139 9 4/36=0.111 10 3/36=0.083 11 2/36=0.056 12 1/36=0.028 Totals complete the table and find the mean and standard deviation.
Did I answer this correctly? I recorded the sum of the dice rolls. The Theoretical Probability...
Did I answer this correctly? I recorded the sum of the dice
rolls. The Theoretical Probability goes all the way to 12.
Find the experimental (as you experienced) probability of rolling each sum. Fill out the following table: Probability of occurrence for each sum out of our 72 total rolls (record your probabilities to um of the dice Number of times each sum occurred hree decimal places) 2 2 0.028 6 0.833 0.069 0.153 10 0.139 0.125 7 0.097 8...
If X follows a Poisson distribution with parameter lemda, such that p(x=2)= 9 ( p (x=4)...
If X follows a Poisson distribution with parameter lemda, such that p(x=2)= 9 ( p (x=4) +10 p(x=6) ). Find ( mean+ 3 standard deviation) and (mean - 3 standard deviation). comment on the result.
solve all the questions with details. Let X be a geometric random variable. If P(X>7| X-4)-0.216,...
solve all the questions with details.
Let X be a geometric random variable. If P(X>7| X-4)-0.216, then POX-3) equals a) 0.083 d) None of these b) 0.144 c) 0.063 **In a certain mall the service time is a normal random variable with a mean of 5.12 minutes and a standard deviation of 2 minutes. Five customers are waiting for the service. Find the probability that the service time of only one of them is more than 6 minutes a)0.3325 d)...
3. Find the mean (p). (Round your answer to 3 decimal places) (2 points) the mean=8.177...
3. Find the mean (p). (Round your answer to 3 decimal places) (2 points) the mean=8.177 6 7 8 9 10 P(x) 0.236 0.063 0.214 0.262 0.225 4. Find the standard deviation (C) (Round your answer to 4 decimal places.) (3 points) the standard deviation=1.462 Suppose that samples of 100 are generated from the probability distribution and the mean of each sample is recorded. (2 points) 5. Find the mean of the sample means. (3 points) 6. Find the standard...
3 of 5 (0 complete) Suppose a simple random sample of size n = 36 is...
3 of 5 (0 complete) Suppose a simple random sample of size n = 36 is obtained from a population with p = 75 and o= 6. (a) Describe the sampling distribution of x. (b) What is P (x > 76,85) ? (c) What is P (572.7)? (d) What is P (74.45<x< 76.6) ? Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) Choose the correct...
) 6. Let x be the binomial random variable with n = 10 and p =...
) 6. Let x be the binomial random variable with n = 10 and p = .9 (2) a. Find P(x = 8) (5) b. Create a cumulative probability table for the distribution. (2) c. Find P( x is less than or equal to 7) (2) d. Find P(x is greater than 7) e. Find the mean, μ. (1) f. Find the standard deviation, σ. (1) g. Find the variance. ...
X 0 Five males with an X-linked genetic disorder have one child each. The random variable...
X 0 Five males with an X-linked genetic disorder have one child each. The random variable x is the number of children among the five who inherit the X-linked genetic disorder. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied 1 2 3 4 5 P(x) 0.028 0.147 0.325 0.325 0.147 0.028 Does the table show...
Given are five observations for two variables, 7 and y. 2 1 3 4 S M...
Given are five observations for two variables, 7 and y. 2 1 3 4 S M 3 7 5 11 14 The estimated regression equation is y = 0.2 +2.67 a. Compute the mean square arror using the following equation to 3 decimals), - MSE SSE - 2 b. Compute the standard error of the estimate using the following equation (to 3 decimals). 5 VMSE SSE N-2 c. Compute the estimated standard deviation by using the following equation (to 3...
4. Given the following dataset: 7, 4, 7, 9, 3 a. What is the mean? Show...
4. Given the following dataset: 7, 4, 7, 9, 3 a. What is the mean? Show your work. (1 point) 9+7+7+4+3 = 30 30/5 = 6 Thus, the mean is 6 b. What is the standard deviation? Use the table below to help. Round to 2 decimals. (2 points) X - M = Deviations (x-M) Squared Deviations (x-M)2 7 - 6 = 1 1 4 -6 = -2 4 7 -6 = 1 1 9 -6 = 3 9...
Did I answer this correctly? I recorded the sum of the dice
rolls. The Theoretical Probability goes all the way to 12.
Find the experimental (as you experienced) probability of rolling each sum. Fill out the following table: Probability of occurrence for each sum out of our 72 total rolls (record your probabilities to um of the dice Number of times each sum occurred hree decimal places) 2 2 0.028 6 0.833 0.069 0.153 10 0.139 0.125 7 0.097 8...
solve all the questions with details.
Let X be a geometric random variable. If P(X>7| X-4)-0.216, then POX-3) equals a) 0.083 d) None of these b) 0.144 c) 0.063 **In a certain mall the service time is a normal random variable with a mean of 5.12 minutes and a standard deviation of 2 minutes. Five customers are waiting for the service. Find the probability that the service time of only one of them is more than 6 minutes a)0.3325 d)...
3. Find the mean (p). (Round your answer to 3 decimal places) (2 points) the mean=8.177 6 7 8 9 10 P(x) 0.236 0.063 0.214 0.262 0.225 4. Find the standard deviation (C) (Round your answer to 4 decimal places.) (3 points) the standard deviation=1.462 Suppose that samples of 100 are generated from the probability distribution and the mean of each sample is recorded. (2 points) 5. Find the mean of the sample means. (3 points) 6. Find the standard...
3 of 5 (0 complete) Suppose a simple random sample of size n = 36 is obtained from a population with p = 75 and o= 6. (a) Describe the sampling distribution of x. (b) What is P (x > 76,85) ? (c) What is P (572.7)? (d) What is P (74.45<x< 76.6) ? Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) Choose the correct...
X 0 Five males with an X-linked genetic disorder have one child each. The random variable x is the number of children among the five who inherit the X-linked genetic disorder. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied 1 2 3 4 5 P(x) 0.028 0.147 0.325 0.325 0.147 0.028 Does the table show...
Given are five observations for two variables, 7 and y. 2 1 3 4 S M 3 7 5 11 14 The estimated regression equation is y = 0.2 +2.67 a. Compute the mean square arror using the following equation to 3 decimals), - MSE SSE - 2 b. Compute the standard error of the estimate using the following equation (to 3 decimals). 5 VMSE SSE N-2 c. Compute the estimated standard deviation by using the following equation (to 3...
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