Mathematics, 21.06.2021 16:40 krlx

Suppose an test consisted of 10 multiple choice problems, each with five possible responses (A-E), only 1 of which is correct. If a student randomly guesses the answers to each question then what is the probability that a student guesses the correct answer to exactly 7 questions?

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Suppose an test consisted of 10 multiple choice problems, each with five possible responses (A-E), o...