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Several psychology students are unprepared for a surprise true/false test with 12 questions, and all of their answers are guesses.

A) Find the mean and standard deviation for the number of correct answers for such students

B) Would it be unusual for a student to pass by guessing and getting at least 10 correct answers? Why or why not?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9994009

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