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

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Question 1181157: In a certain​ country, the true probability of a baby being a 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(52835) About Me  (Show Source):
You can put this solution on YOUR website!
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It is the complement to the event of delivering all 7 boys


    P = 1+-+0.525%5E7 = 0.989.    ANSWER

Solved and explained.