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20-10-2017
Mathematics

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A fair coin is tossed four times. what is the probability that the sequence of tosses is hhtt?

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31-10-2017

The probability of obtaining a head is 1/2.
The probability of obtaining a tail is 1/2.

The 4 tosses are independent events.
Therefore the probability of obtaining hhtt is
(1/2)⁴ = 1/16

Answer: 1/16

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