A test consists of 20 multiple choice questions. Each question has 4 choices, and only one of

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A test consists of 20 multiple choice questions. Each question has 4 choices, and only one of them is the correct answer. Suppose a student takes this exam totally unprepared, and thus randomly choosing the answer for each question.

Find the probability that this student will choose correct answers for at least 12 questions. Show your work

Find the probaility that this student will choose correct answers for more than 5 questions and less than or equal to 10 questions.

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Statistics The Art and Science of Learning from Data

ISBN: 978-0321755940

3rd edition

Authors: Alan Agresti, Christine A. Franklin

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Posted Date: Jan 13, 2021 12:26 PM

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A test consists of 20 multiple choice questions. Each question has 4 choices, and only one of

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Statistics The Art and Science of Learning from Data

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