Question 322071
if 3 out of 4 nursing majors are female, find the probability that 2 out of 7 will be female.
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Binomial with n = 7 ; p = 3/4
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P(x = 2) = 7C2*(3/4)^2*(1/4)^5 = 0.0115
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Cheers,
Stan H.