Answer:
1.
E(N) = 0.2 * 0 + 0.7 * 1 + 0.1 * 2 + 0 = 0.9
2.
E(N^2) = 0.2 * 0^2 + 0.7 * 1^2 + 0.1 * 2^2 = 1.1
3.
Var(N) = E(N^2) - E(N^2) = 1.1 - 0.9^2 = 0.29
4.
Sqrt(Var(N)) = sqrt(0.29) = 0.5385
Problem 3) In an experiment to monitor two calls, the PMF of N, the number of...
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Problem 2 (25 Points) Monitor comestive phone call going through a tation on the intersection of Delt-line Road and Preston Roul Clay chall un either a voice call (if is speaking or a data call of the call is c rying non-voice signal). Note that C- 1 if call. voice, otherwise -0. Voice and data callo arrive with probability p and I-P, respectively. Now consider a random Variable Nowhere N G + ... + is the number of voice calles...
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