Posted by **Elaine** on Tuesday, November 27, 2012 at 10:22pm.

5.3 The manager of a large computer network has developed

the following probability distribution of the number of

interruptions per day:

Interruptions (X) P1X2

0 0.32

1 0.35

2 0.18

3 0.08

4 0.04

5 0.02

6 0.01

a. Compute the expected number of interruptions per day.

b. Compute the standard deviation.

Need step by step directions to do this in 2010 Excel spreadsheet.

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