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Mathematics, 16.07.2019 04:00 Kana81

Astudent guesses on every question of a multiple-choice test that has 9 questions, each with 3 possible answers. what is the probability that the student will get at least 7 of the questions right

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Astudent guesses on every question of a multiple-choice test that has 9 questions, each with 3 possi...
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