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15-10-2016
Mathematics

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A coin with a 0.71 probability for a head is flipped 4 times. find the probability of obtaining exactly 2 heads

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15-10-2016

The probability of exactly 2 heads is:
[tex]4C2\times0.71^{2}\times0.29^{2}=0.2544[/tex]
The answer is 0.2544

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