In a certain country, the true probability of a baby being a girl is 0.468. among the next five randomly selected births in the
country, what is the probability that at least one of them is a boy
1 answer:
Let B be the event that selected baby is Boy. The probability that baby being a girl is 0.468
P(five selected births at least one is boy) = 1 - P(No boy birth in selected five births)
= 1 - P( all five are baby girls)
= 1 - (0.468)^5
= 1 - 0.0224
= 0.9776
The probability that at least one of the five selected births is boy is 0.9776
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