Question: We let the random variable Xn be a binomial process, where each Bi is independent and is distributed according to (a) Calculate the probabilities P[X4

We let the random variable Xn be a binomial process,

where each Bi is independent and is distributed according to

(a) Calculate the probabilities P[X4 > k] for k = 0, 1, 2, 4 and plot the distribution function.
(b) Calculate the expected value and the variance of Xn for n = 3.

12 ! 1 with probability p 0 with probability 1 -p

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