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Ms. Keenan is a high school teacher who wants to know how much time students spend studying each day. She finds that the average student

Ms. Keenan is a high school teacher who wants to know how much time students spend studying each day. She finds that the average student spends 3.00 hours a day studying (s = 0.75). Assuming that studying hours is normally distributed, what percentage of students study less than 2.50 hours a day

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