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The amount of time it takes students to do a biology exam is normally distributed with a population mean of u= 120 minutes and o=30

The amount of time it takes students to do a biology exam is normally distributed with a population mean of u= 120 minutes and o=30 minutes. What is the probability that 25 randomly selected students take longer than 135 minutes?

A. 0.0062

B. 0.9938

C. 0.7486

D. 0.2514

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