Question 313964: An instructor gives his class a set of 14 problems with the information that the next quiz will consist of a random selection of 7 of them. If a student has figured out how to do 11 of the problems, what is the probability the he or she will answer correctly at least 6 problems
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! An instructor gives his class a set of 14 problems with the information that the next quiz will consist of a random selection of 7 of them. If a student has figured out how to do 11 of the problems, what is the probability the he or she will answer correctly at least 6 problems
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Binomial Problem with n = 7 and p = 11/14:
P(6<= x <=7) = 1-binomcdf(7,11/14,5) = 0.5378
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Cheers,
Stan H.
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