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A)​Yes, the table shows a probability distribution. B)​No, the random variable x is categorical instead of numerical. C)​No, the sum of all the probabilities is not equal to 1. D)No, not every probability is between 0 and 1 inclusive. E)No, the random variable​ x's number values are not associated with probabilities. Find the mean of the random variable x. Select the correct choice below​ and, if​ necessary, fill in the answer box to complete your choice. __ mean for adults __ standard deviation for adults

A)​Yes, the table shows a probability distribution. B)​No, the random variable x is categorical instead of numerical. C)​No, the sum of all the probabilities is not equal to 1. D)No, not every probability is between 0 and 1 inclusive. E)No, the random variable​ x's number values are not associated with probabilities. Find the mean of the random variable x. Select the correct choice below​ and, if​ necessary, fill in the answer box to complete your choice. __ mean for adults __ standard deviation for adults

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 1E
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A)​Yes, the table shows a probability distribution.

B)​No, the random variable x is categorical instead of numerical.

C)​No, the sum of all the probabilities is not equal to 1.

D)No, not every probability is between 0 and 1 inclusive.

E)No, the random variable​ x's number values are not associated with probabilities.

Find the mean of the random variable x. Select the correct choice below​ and, if​ necessary, fill in the answer box to complete your choice.

__ mean for adults

__ standard deviation for adults

A sociologist randomly selects single adults for different groups of three, and the random variable x is the number in the group who say that the most fun way to flirt is in person. 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 P(x) 0.091 1 0.341 2 0.415 requirements that are not satisfied. 3 0.153 Does the table show a probability distribution? Select all that apply.
Transcribed Image Text:A sociologist randomly selects single adults for different groups of three, and the random variable x is the number in the group who say that the most fun way to flirt is in person. 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 P(x) 0.091 1 0.341 2 0.415 requirements that are not satisfied. 3 0.153 Does the table show a probability distribution? Select all that apply.
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