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A person tosses a coin 3 times. Find the probability of occurrence of exactly one head.

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A person tosses a coin 3 times. Find the probability of occurrence of exactly one head. Select the correct answer from above options

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When three coin tosses at same time, there are possible out comes is S = {HHH,HHT,HTH,THH,TTH,THT,HTT,TTT} Let probability of landing head is E Then E = {HHT,HTH,THH} ∴ n(E) = 3 From Formula, P(E) = n(E)/n(S) = 3/8

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