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The average teachers’ salary in a certain state is $57,337

The average teachers’ salary in a certain state is 

$57,337

. Suppose that the distribution of salaries is normal with a standard deviation of 

$7500

. Assume that the sample is taken from a large population and the correction factor can be ignored. Use a TI-83 Plus/TI-84 Plus calculator and round the answer to at least four decimal places.

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