Question
‘A’ and ‘B’ are two friends who play a game of
tossing a coin. Coin is tossed 3 times. ‘A’ wins if all the tosses give same result, otherwise ‘B’ wins the game. Find the probability of ‘A’ winning the game.Solution
Total number of outcomes = 2 3 = 8
Number of favourable outcomes are (HHH) and (TTT) = 2
Probability that ‘A’ wins = 2/8 = 1/4
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