Question 1116433: In a class of 15 students, the probability of a
student passing an exam is 1/4.
What is the probability that at least 2 students pass?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! In a class of 15 students, the probability of a
student passing an exam is 1/4.
What is the probability that at least 2 students pass?
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Binomial Problem with n = 15 and p = 1/4
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P(x >= 2) = 1-binomcdf(15,1/4,1) = 0.9198
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Cheers,
Stan H.
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