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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