# Question

A balanced coin is tossed nine times. Find the probabilities of each of the following events:

(a) Exactly 3 heads occurred;

(b) At least 3 heads occurred;

(c) At least 3 heads and at least 2 tails occurred.

(a) Exactly 3 heads occurred;

(b) At least 3 heads occurred;

(c) At least 3 heads and at least 2 tails occurred.

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