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On one large campus 21 of students surveyed said that they spend less than an...

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On one large campus 21 of students surveyed said that they spend less than an hour a night studying If three students are chosen randomly find the following probabilities Part 1 of 2 a What s the probability that all three spend less than an hour a night studying Express your answer as a decimal rounded to four decimal places The probability that all three spend less than an hour a night studying 0 0093 Part 1 2 Part 2 of 2 b What s the probability that two of the three spend less than an hour studying Express your answer as a decimal rounded to four decimal places Do not round any intermediate calculations The probability that two of the three spend less than an hour a night studying is

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