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In a certain​ country, the true probability of a baby being a boy is 0.515. Among...

In a certain​ country, the true probability of a baby being a boy is 0.515. Among the next eight randomly selected births in the​ country, what is the probability that at least one of them is a girl​?

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Answer #1

TOPIC: Application of Binomial distribution.

we have ラ-he P(4d baby being a gin Kaw compleme tation) 1_ P (of a baby being aba) 485 e ando my selacted Pedme, X= No.of babies being a 呂:vaしamong the 8 nandoY selasted biroths in the countmy 8-χ 2(0.485 515) (x?r?) .. we need, ! (0 , 10 , gg51 , 515) .

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