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A fair coin is tossed 15 times. Determine the probability in which no heads turned up.

A fair coin is tossed 15 times. Determine the probability in which no heads turned up. Correct Answer 3.051 * 10-5

According to the null hypothesis it is a fair coin and so in that case the probability of flipping at least 59% tails is = 15C0(0.5)15 = 3.051 * 10-5.

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