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Mathematics, 08.11.2019 01:31 josiahespinosa

There are five multiple choice questions on an exam, each having responses a, b, c, and d. each question is worth 5 points, and only one option per question is correct. suppose the student guesses the answer to each question, and these guesses, from question to question, are independent. the student's mean number of questions correct on the exam should be:

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