Question: A sociologist randomly selects single adults for different groups ofthree, and the random variable x is the number in the group who say that the

A sociologist randomly selects single adults for different groups ofthree, 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 isgiven, find its mean and standard deviation. If a probability distribution is notgiven, identify the requirements that are not satisfied.

x P(x)

0 0.094

1 0.331

2 0.414

3 0.161

Does the table show a probabilitydistribution? Select all that apply.

A. Yes, the table shows a probability distribution.

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

C. No, the random variablex's number values are not associated with probabilities.

D. No, the random variable x is categorical instead of numerical.

E. No, the sum of all the probabilities is not equal to 1.

Find the mean of the random variable x. Select the correct choice belowand, ifnecessary, fill in the answer box to complete the choice.

A.= adult(s) (Round to one decimal place asneeded.)

B. The table does not show a probability distribution.

Find the standard deviation of the random variable x. Select the correct choice belowand, ifnecessary, fill in the answer box to complete the choice.

A.= adult(s) (Round to one decimal place asneeded.)

B. The table does not show a probability distribution.

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