SOLUTION: In a certain​ country, the true probability of a baby being a boy is 0.525. Among the next seven randomly selected births in the​ country, what is the probability that at least

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Question 1181158: In a certain​ country, the true probability of a baby being a boy is 0.525. Among the next seven randomly selected births in the​ country, what is the probability that at least one of them is a ​girl?
The probability is __.
​(Round to three decimal places as​ needed.)
Answer by ikleyn(52847)   (Show Source): You can put this solution on YOUR website!
.

It is the complement to the event of all 7 boys are delivered


    P = 1 - 0.525^7 = 0.989.    ANSWER

Solved and explained.



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