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Mathematics, 30.03.2020 21:00, alyxkellar06
The time for a professor to grade an exam is normally distributed with a mean of 16.3 minutes and a standard deviation of 4.2 minutes. What is the probability that a randomly selected exam will require less than 20 minutes to grade
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Can anyone explain to me how to do this? anything will .
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The time for a professor to grade an exam is normally distributed with a mean of 16.3 minutes and a...
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