Question

Probability of getting at most one head in two coin tosses

Answer 1

S = {HH, HT, TH, TT}

If A is the event obtaining at most 1 “Head” outcome, then the set of outcomes that makes up event A is

A = {(HT), (TH), (TT)}

Hence, the probability of event A is

P(A) = 3/4 = 0.75

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