Calculating expected number of interruptions per day

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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