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Thirty-one small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5...

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Basic Math

Thirty-one small communities in Connecticut (population near10,000 each) gave an average of x = 138.5 reported casesof larceny per year. Assume that ? is known to be 40.1cases per year.

(b) Find a 95% confidence interval for the population meanannual number of reported larceny cases in such communities. Whatis the margin of error? (Round your answers to one decimalplace.)

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