Question: ***PLEASE SHOW WORK*** 1.A comprehensive final exam in STAT 200 has a mean score of 73 with a standard deviation of 7.8. Assume the distribution

***PLEASE SHOW WORK***

1.A comprehensive final exam in STAT 200 has a mean score of 73 with a standard deviation of 7.8. Assume the distribution of the exam scores is approximately normal.If 24 students are randomly selected, find the probability that the mean of their exam scores is less than 70.

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