SOLUTION: A multiple choice quiz consists of 7 questions, each with 3 possible answers. If a student guesses at the answer to each question, then the mean number of correct answers is
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Question 914159: A multiple choice quiz consists of 7 questions, each with 3 possible answers. If a student guesses at the answer to each question, then the mean number of correct answers is
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
p(correct) = 1/3
mean = (1/3)7 = 2
= 29% on the quiz...
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