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A coin is tossed two times. Find the probability of getting at most one head.

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A coin is tossed two times. Find the probability of getting at most one head. Select the correct answer from above options

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The possible outcomes, if a coin is tossed 2 times is S = {(HH),(TT),(HT),(TH)} n(S) = 4 Let E = Event of getting at most one head = {(TT),(HT),(TH)} n(S) = 3 Hence, required probability = n(E)/n(S) = 3/4

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