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In a programming assignment, the instructor found that 26 people take 2-3 hours, 34 people take 3-4 hours, and 20 people take more than 4 hours to finish an assignment. What is the probability that the assignment can be done in 4 hours or less? |
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Answer» In a programming assignment, the instructor found that 26 people take 2-3 hours, 34 people take 3-4 hours, and 20 people take more than 4 hours to finish an assignment. What is the probability that the assignment can be done in 4 hours or less? |
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