f the probability that P will live 20 years is 1/2 and that B will live 20 years is 1/2, then what is the probability that both will live 20 years?
Question
f the probability that P will live 20 years is 1/2 and that B will live 20 years is 1/2, then what is the probability that both will live 20 years?
Solution
The probability of two independent events both occurring is the product of their individual probabilities.
So, if the probability of P living 20 years is 1/2 and the probability of B living 20 years is also 1/2, then the probability of both P and B living 20 years is (1/2) * (1/2) = 1/4.
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