Mathematics, 30.03.2020 22:04 Yuii
There are 80 questions on an SAT test, and they are all multiple choice with possible answers of a, b, c, d, and e. For each question, only one answer is correct. Find the mean and standard deviation for the numbers of correct answers for those who make random guesses for all 80 questions. Round to one decimal place.
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There are 80 questions on an SAT test, and they are all multiple choice with possible answers of a,...
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