Mathematics, 28.11.2020 09:40, raymondmunoz4451
An average pen manufactured by the F&M Corporation lasts 400 days with a standard deviation of 40 days.
Assuming that pen life is normally distributed, what is the probability that such a pen will last at least 440
days?
Answers: 3
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An average pen manufactured by the F&M Corporation lasts 400 days with a standard deviation of 4...
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