Question 804832: Given a 10 question multiple choice exam with four answer choices, what is the probability of getting at least a score of 70 percent
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Given a 10 question multiple choice exam with four answer choices, what is the probability of getting at least a score of 70 percent
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Binomial Problem with n = 10 and P(correct) = 1/4
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P(7<- x <=10) = 1 - P(0<= x <=6) = 1 - binomcdf(10,1/4,6) = 0.0035
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Cheers,
Stan H.
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