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Several psychology students are unprepared for a surprise true or false test with 11 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 students to pass by guessing (which
requires getting at least 8 correct answers) Why or why not?

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Several psychology students are unprepared for a surprise tr.pdf

  • 1. Several psychology students are unprepared for a surprise true or false test with 11 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 students to pass by guessing (which requires getting at least 8 correct answers) Why or why not?