Question: Referring to Exercise 4.122 find the probability that: (a) B occurs and C does not occur. (b) At least one of the events A and

Referring to Exercise 4.122 find the probability that:
(a) B occurs and C does not occur.
(b) At least one of the events A and B occurs.
(c) Exactly two of the events A, B, and C occur.

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