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20-02-2017
Mathematics

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A penny a nickel a dime and a quarter are tossed. what is the probability of obtaining four tailsfour tails on the tosses?

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20-02-2017

Probability of a tail for any on coin = 1/2
As the tosses of the 4 coins are independent of each other we multyiply the probs:-
P(4 tails) = 1/2 * 1/2*1/2*1/2 = 1/16

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