SOLUTION: There are 10 multiple choice problems on your test, with 4 choices each. What is the probability that you will get a minimum passing grade?
Minimum passing grade would be a 60%
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Question 435219: There are 10 multiple choice problems on your test, with 4 choices each. What is the probability that you will get a minimum passing grade?
Minimum passing grade would be a 60% and above
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
There are 10 multiple choice problems on your test, with 4 choices each. What is the probability that you will get a minimum passing grade?
Minimum passing grade would be a 60% and above
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>=60% means >=6 correct problems.
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Binomial Problem with n = 10 and p = 1/4
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P(x >= 6) = 1 - P(0<= x<=5) = 1-binomcdf(10,1/4,5)
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= 0.019728
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Cheers,
Stan H.
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