SOLUTION: A multiple choice test consists of 60 questions. Each question has 4 possible answers of which one is correct. Find the prob. of getting at most 15 correct.

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Question 421858: A multiple choice test consists of 60 questions. Each question has 4 possible answers of which one is correct. Find the prob. of getting at most 15 correct.
Answer by stanbon(75887) About Me  (Show Source):
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A multiple choice test consists of 60 questions. Each question has 4 possible answers of which one is correct. Find the prob. of getting at most 15 correct.
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Binomial Problem with n = 60 and p = 1/4
P(0<= x <=15) = binomcdf(60,0.25,15) = 0.5688
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Cheers,
Stan H.