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The manager of large computer network has developed following probability distribution of number of interruptions for each 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. Evaluate the expected number of interruptions per day

b. Evaluate the standard deviation.

Statistics and Probability, Statistics

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  • Reference No.:- M918394

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