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The mean annual salary of a sample of 470 Chief Investment Officers (CIOs) in Canada is $210,000 with a standard deviation of $35,000. Construct a

The mean annual salary of a sample of 470 Chief Investment Officers (CIOs) in Canada is $210,000 with a standard deviation of $35,000.

Construct a 90% confidence interval for the average salary for CIOs in Canada.

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