SOLUTION: A student is taking a fifty question exam that has only true - false questions. Determine the probability that the students will receive a score less than 60% by randomly guessing.
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Question 964801: A student is taking a fifty question exam that has only true - false questions. Determine the probability that the students will receive a score less than 60% by randomly guessing.
I am having a hard time figuring this out
Please and Thank you Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A student is taking a fifty question exam that has only true - false questions. Determine the probability that the students will receive a score less than 60% by randomly guessing.
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Binomial Problem with n = 50 and P(correct) = 1/2
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Note:: 60% of 50 = 30
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P(x <= 29) = binomcdf(50,0.5,29) = 0.8987
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Cheers,
Stan H.
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