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Can you show me how to solve this? (confidence interval) Suppose a 95% confidence interval for the mean salary of college graduates in a town

Can you show me how to solve this? (confidence interval)

Suppose a 95% confidence interval for the mean salary of college graduates in a town in Mississippi is given by [$36,815, $43,185]. The population standard deviation used for the analysis is known to be $13,000.

What is Margin of error?

What is sample size?

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