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A fashion designer wants to know how many new dresses women buy each year. A sample of683 women was taken to study their purchasing habits.

A fashion designer wants to know how many new dresses women buy each year. A sample of683 women was taken to study their purchasing habits. Construct the95% confidence interval for the mean number of dresses purchased each year if the sample mean was found to be4.6

Assume that the population standard deviation is2. Round your answers to one decimal place.

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