Fifteen items or less:The number of customers in line at a supermarket express checkout counter is a random variable with the following probability distribution.

x	0	1	2	3	4	5
Px	0.05	0.25	0.30	0.25	0.10	0.05

Send data to Excel

Part:0 / 3

0 of 3 Parts Complete

Part 1 of 3

(a) Compute the mean

X

. Round the answer to two decimal places.

=X