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Three coins are tossed simultaneously. What is the probability of getting exactly two tails? - Mathematics

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Question

Three coins are tossed simultaneously. What is the probability of getting exactly two tails?

Sum

Solution

Total number of outcomes

= (HHH), (HHT), (HTH), (THH), (TTH), (TTT), (THT), (HTT) = 8

Exactly two tails (HTT), (TTH), (THT)

n = 3

P = Exactly two tails = `3/8`

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