Several psychology students are unprepared for a surprise true/false test with 11 questions, and all of...
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Several psychology students are unprepared for a surprise true/false test with 11 questions, and all of their answers are guesses. Find the mean for the number of correct answers for such students. (Round answer to one decimal place.) Find the standard deviation for the number of correct answers for such students. (Round answer to two decimal places.) Would it be unusual for a student to pass by guessing and getting at least 7 correct answers? O yes, it would be unusual O no, it would not be unusual Several psychology students are unprepared for a surprise true/false test with 11 questions, and all of their answers are guesses. Find the mean for the number of correct answers for such students. (Round answer to one decimal place.) Find the standard deviation for the number of correct answers for such students. (Round answer to two decimal places.) Would it be unusual for a student to pass by guessing and getting at least 7 correct answers? O yes, it would be unusual O no, it would not be unusual
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