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The manager of a large computer network has developed the following probability distribution of the 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,,a. Compute the expected number of interruptions per day.,,,,b. Compute the standard deviation.,

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