Ted is not particularly creative. He uses the pickup line"If I could rearrange thealphabet, I'd put U and Itogether." 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

0.011

3

0.133

4

0.297

5

0.261

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

A.

=

(Round to one decimal place asneeded.)

B.

The table is not 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 your choice.

A.

=

(Round to one decimal place asneeded.)

B.

The table is not a probability distribution.