Question
In a game, a coin is tossed 4 times. ‘A’ wins if the
number of heads is equal to the number of tails. What is the probability that ‘A’ wins?Solution
Total number of outcomes = 2 4 = 16
Favourable outcomes (2 heads and 2 tails) = C(4,2) = 6
Probability that ‘A’ wins = 6/16 = 3/8
Simplify the Boolean expression.
Y= AB+A(B+C)+B(B+C)
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