SOLUTION: 2) According to a recent survey approximately 68% of students at this campus are women. A group of 20 students are randomly selected. What is the probability that 15 of them are

Question 578590: 2) According to a recent survey approximately 68% of students at this campus are women. A group of 20 students are randomly selected. What is the probability that 15 of them are women?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
According to a recent survey approximately 68% of students at this campus are women. A group of 20 students are randomly selected. What is the probability that 15 of them are women?
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Binomial Problem with n = 20 and p(woman) = 0.68
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P(x = 15) = 20C15(0.68)^15*(0.32)^5 = binompdf(20,0.68,15) = 0.1699
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Cheers,
Stan H.
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