Question
Soffa is studying civil engineering. Its department has 120 students. Grades are approximately normally distributed with a mean of 6.8 and a standard deviation of
Soffa is studying civil engineering. Its department has 120 students. Grades are approximately normally distributed with a mean of 6.8 and a standard deviation of 0.9. How many students have a grade point average of 0.7 standard deviations below average?
about 29
about 80
about 43
about 10
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Sampling
Authors: Steven K Thompson
3rd Edition
111816296X, 9781118162965
