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A sample of n=200 participants is selected from a large population. The average income of the 200 participants is $54000 with sample standard deviation $22,000.

A sample of n=200 participants is selected from a large population. The average income of the 200 participants is $54000 with sample standard deviation $22,000. b) It is reasonable to assume that the sampling distribution of the mean will vary according to a Normal distribution

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