Question
The final exam grade of a statistics class has a skewed distribution with mean of 76 and a standard deviation of 8. If a random
The final exam grade of a statistics class has a skewed distribution with mean of 76 and a standard deviation of 8. If a random sample of 40 students selected from this class, then what is the probability that average final exam grade of this sample is between 75 and 80?
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Advanced Engineering Mathematics
Authors: ERWIN KREYSZIG
9th Edition
0471488852, 978-0471488859
