Question: For the probability mass function of Problem 3.15, determine the following probabilities: (a) P(X = 4); (b) P(X = 5); (c) P(X 5); (d)

For the probability mass function of Problem 3.15, determine the following probabilities:

(a) P(X =

4);

(b) P(X = 5);

(c) P(X ≤ 5);

(d) P(X < 5);

(e) P(4 < X ≤ 7); and

(f) P(X ≥ 7).

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