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The final exam grade of a statistics class has a skewed distribution with mean of 81.2 and standard deviation of 6.95. If a random sample

The final exam grade of a statistics class has a skewed distribution with mean of 81.2 and standard deviation of 6.95. If a random sample of 42 students selected from this class, then what is the probability that the average final exam grade of this sample is between 75 and 80? Answer: (round to 4 decimal places)

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