Calculating expected number of interruptions per day

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Reference no: EM1315062

Q1) Manager of a large computer network has developed following probability distribution of number of interruptions per day.

Interruptions (X)

P (X)

0

0.32

1

0.35

2

0.18

3

0.08

4

0.04

5

0.02

6

0.01

Total

1

a) Calculate expected number of interruptions per day.

b) Calculate standard deviation.

Reference no: EM1315062

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