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A fair coin is tossed 5 times . Find the probability that it shows exactly three times head. |
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Answer» Total no. of possible solutions ` = .^(5)C_(3)` Total no. of solutions ` = 2^(5) = 32` `:. " P(HHH) " = (.^(5)C_(3))/32` ` = 10/32 = 5/16` |
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