Question: The average grade in a statistics course has been 76, with a standard deviation of 11. If a random sample of 56 is selected from

The average grade in a statistics course has been 76, with a standard deviation of 11. If a random sample of 56 is selected from this population, what is the probability that the average grade is more than 80? Use Appendix B.1 for the z values. (Round your z value to 2 decimal places and the final answer to 4 decimal places.)

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