SOLUTION: A TEST CONSISTS OF 10 T/F QUESTIONS. TO PASS THE TEST A STUDENT MUST ANSWER AT LEAST 6 QUESTIONS CORRECTLY. IF A STUDENT GUESSES IN EACH QUESTION, WHAT IS THE PROBABILITY THE STUD
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Question 798061: A TEST CONSISTS OF 10 T/F QUESTIONS. TO PASS THE TEST A STUDENT MUST ANSWER AT LEAST 6 QUESTIONS CORRECTLY. IF A STUDENT GUESSES IN EACH QUESTION, WHAT IS THE PROBABILITY THE STUDENT WILL PASS THE TEST?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A TEST CONSISTS OF 10 T/F QUESTIONS. TO PASS THE TEST A STUDENT MUST ANSWER AT LEAST 6 QUESTIONS CORRECTLY. IF A STUDENT GUESSES IN EACH QUESTION, WHAT IS THE PROBABILITY THE STUDENT WILL PASS THE TEST?
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Binomial Problem with n=10 and p(correct) = 1/2
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P(6<= x <=10) = 1-binomcdf(10,0.5,5) = 0.3770
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Cheers,
Stan H.
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