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17 January, 03:23

What is the probability of flipping a coin 15 times and getting tails 10 times?

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  1. 17 January, 05:21
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    This is found using the binomial distribution with P (H) = 1/2 and P (T) = 1/2 n = 15 and r = 10

    = nCr (0.5) ^ (15-10) (0.5) ^10

    = 15C10 * 0.5^15 = 0.0916 or 9.16%
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