In an experiment to monitor two calls, the PMF of N, the number of voice calls, is (a) Find E[N],… 1 answer below »

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In an experiment to monitor two calls, the PMF of N, the number of voice calls, is

(a) Find E[N], the expected number of voice calls.

(b) Find E[N2], the second moment of N.

(c) Find Var[N], the variance of N.

(d) Find σN , the standard deviation of N.