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A random sample of 45 fresh graduates has a mean starting earnings of $3250. Assume the...

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Statistics

A random sample of 45 fresh graduates has a mean startingearnings of $3250. Assume the population standard deviation is$675. Construct a 90% the confidence interval for the populationmean, μ. (Round your answer to the nearest integer)

a-($2575, $3925)

b-($3084, $3416)

c-($3053, $3447)

d-($3221, $3279)

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