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The average time to complete a certification exam is 2 hours and 40 minutes (160 minutes) with a standard deviation equal to 25 minutes. Assume

The average time to complete a certification exam is 2 hours and 40 minutes (160 minutes) with a standard deviation equal to 25 minutes. Assume normal distribution applies.

What is the probability that it takes a student 115 or fewer minutes to complete the test?

a. 0.0359

b. 0.9192

c. 0.4251

d. 0.6315

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