Mathematics, 01.07.2020 15:01 borgeschristoper694
The final exam grade of a mathematics class has a normal distribution with mean of 81 and standard deviation of 6.6. If a random sample of 40 students selected from this class, then what is the probability that the average final exam grade of this sample is between 77 and 82? (round to 4 decimal places)
Answers: 2
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The final exam grade of a mathematics class has a normal distribution with mean of 81 and standard d...
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