SOLUTION: a test consists of 10 true or false questions to pass the test a student must answer at least 8 questions correctly. if the student guesses on each question what is the probability
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Question 828782: a test consists of 10 true or false questions to pass the test a student must answer at least 8 questions correctly. if the student guesses on each question what is the probability that the student will pass?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
a test consists of 10 true or false questions to pass the test a student must answer at least 8 questions correctly. if the student guesses on each question what is the probability that the student will pass?
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Binomial Problem with n = 10 and p(correct) = 1/2
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P(8<= x <=10) = 1 - P(0<= x <=7) = 1-binomcdf(10,1/2,7) = 0.0547
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Cheers,
Stan H.
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