SOLUTION: A student was totally unprepared for a multiple choice quiz and had to absolutely guess the answer to every one of the 100 questions. About what score (percent) would you expect hi

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Question 665301: A student was totally unprepared for a multiple choice quiz and had to absolutely guess the answer to every one of the 100 questions. About what score (percent) would you expect him to earn if there were four possible answers to every question?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A student was totally unprepared for a multiple choice quiz and had to absolutely guess the answer to every one of the 100 questions. About what score (percent) would you expect him to earn if there were four possible answers to every question?
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Binomial Problem with n = 100 and p(correct) = 1/4
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E(x) = u = np = 100(1/4) = 25
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Cheers,
Stan H.