Question
A coin is tossed 5 times. ‘A’ wins the game if exactly
3 heads appear. Otherwise, ‘B’ wins. What is the probability that ‘A’ wins?Solution
Total number of outcomes = 2 5 = 32
Favourable outcomes = C(5,3) = 10
Probability that ‘A’ wins = 10/32 = 5/16
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