Question

A fair coin is tossed three times. Let X be the number of heads in thetosses minus the number of tails. Find the probability distribution of X.

Answer 1

P(3) = 1/8

P(1) = 3/8

P(-1) = 3/8

P(-3) = 1/8

Explanation:

Given that :

Coin is tossed 3 times :

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