Question

what is the probability of getting 3 heads when 4 coins are tossed​

Answer 1

Answer:

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N=3: To get 3 heads, means that one gets only one tail. This tail can be either the 1st coin, the 2nd coin, the 3rd, or the 4th coin. Thus there are only 4 outcomes which have three heads. The probability is 4/16 = 1/4.

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Answer 2

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