SOLUTION: Estimate the probability of getting a baby girl in at least 8 of 15 births.

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Question 629648: Estimate the probability of getting a baby girl in at least 8 of 15 births.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Assuming P(girl) = 1/2, note that the binomial distribution is symmetric. This means that



The sum of and is 1, so .