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Mathematics, 21.06.2021 16:20 Tess3492
Suppose a 90% confidence interval for the mean salary of college graduates in a town in Mississippi is given by [$38,737, $50,463]. The population standard deviation used for the analysis is known to be $14,300.
a. What is the point estimate of the mean salary for all college graduates in this town?
Point estimate
b. Determine the sample size used for the analysis.
Sample size
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Suppose a 90% confidence interval for the mean salary of college graduates in a town in Mississippi...
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