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  • 15-07-2017
  • Mathematics
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What is the probability of getting two heads and two tails in four flips of a fair coin?

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Аноним Аноним
  • 15-07-2017
Number of  combinations possible = 4! / 2! 2! =  6

Each of these has probability 1/2*1/2*1/2*1/2  = 1/16

Required probability  = 6  * 1/16  = 3/8
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