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In a certain town, a random sample of executives have the following personal incomes (in thousands); Assume the population of incomes is normally distributed. Find

In a certain town, a random sample of executives have the following personal incomes (in thousands); Assume the population of incomes is normally distributed. Find the 98% confidence interval for the mean income.

Incomes:

35 43 29 55 63 72 28 33 36 41 42 57 38 30

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