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April 26, 2015

Homework Help: Elementary Statistics

Posted by Confused on Friday, April 11, 2014 at 3:22pm.

There are 100 questions from an SAT test, and they are all multiple choice with possible answers of a,b,c,d,e. For each question, only one answer is correct, find the standard deviation for the numbers of correct answers for those who make random guesses for all 100 questions.

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