Mathematics, 17.08.2021 18:10 timthaartist
A fashion designer wants to know how many new dresses women buy each year. A sample of 271 women was taken to study their purchasing habits. Construct the 90% confidence interval for the mean number of dresses purchased each year if the sample mean was found to be 8.2. Assume that the population standard deviation is 1.1. Round your answers to one decimal place.
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A fashion designer wants to know how many new dresses women buy each year. A sample of 271 women was...
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