Question
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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Differential Equations
Authors: Paul Blanchard, Paul S Boyer, Robert L Devaney, Glen R Hall
4th Edition
1133388086, 9781133388081
