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9 [8 pis] The American Bartender's Association surveyed a sample of 30 bartenders wil received a certificate revealed a mean first year income of $43

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9 [8 pis] The American Bartender's Association surveyed a sample of 30 bartenders wil received a certificate revealed a mean first year income of $43 234 with standard deviation of $11,870. Using a 94%% confidence interval, find the margin of error and the confidence interval for their mean first year income of those bartenders. (Round to 2 decimals)

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