If you flip three fair coins what is the probability that the two first flips will both be heads, and the third flip will be either heads or tales?

Question

Mathematics

Mckenna

11 July, 07:14

If you flip three fair coins what is the probability that the two first flips will both be heads, and the third flip will be either heads or tales?

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Fred · Answer 1

The probability that a coin flip is a head or a tail is 0.5. The probability that a coin flip is either a head or a tail is 1. The probability that a three-coin-flip is two heads and a head or a tail is 0.25.