Ted is not particularly creative. He uses the pickup line \"If I could rearrange

Question

Ted is not particularly creative. He uses the pickup line "If I could rearrange the alphabet, I'd put U and I together." The random variable x is the number of girls Ted approaches before encountering one who reacts positively. Determine whether the table describes a probability distribution. If itdoes, find its mean and standard deviation

(x, P(x) ) (1, 0.001) (2, 0.038) (3, 0.123) (4, 0.222) (5, 0.305)

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.

=

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

=

Explanation / Answer

It is not probability because sum of probabilites is pnly 0.689 . It should be equal to one

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