SOLUTION: On a multiple choice test with 7 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the mean for the number of
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Question 1102523: On a multiple choice test with 7 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the mean for the number of correct answers.
You can put this solution on YOUR website! On a multiple choice test with 7 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the mean for the number of correct answers.
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Binomial Problem with n = 7 and p = 1/4
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mean = n*p = 7(1/4) = 1 3/4
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Cheers,
Stan H.
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