According to the University of Nevada Center for Logistics Management, 12% of all merchandise sold in the United States gets returned. A Houston department store sampled 80 items sold in January and found that 14 of the items were returned. a. Construct a point estimate of the proportion of items returned for the population of sales transactions at the Houston store. (to 4 decimals) b. Construct a 99% confidence interval for the proportion of returns at the Houston store. (to 4 decimals) c. Is the proportion of returns at the Houston store significantly different from the returns for the nation as a whole? Provide statistical support for your answer. Since the confidence interval - Select your answer - ♥ 0.12, we conclude that the return rate for the Houston store Select your answer v the U.S. national return rate.

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According to the University of Nevada Center for Logistics Management, 12% of all merchandise sold in the United States gets
returned. A Houston department store sampled 80 items sold in January and found that 14 of the items were returned.
a. Construct a point estimate of the proportion of items returned for the population of sales transactions at the Houston store.
(to 4 decimals)
b. Construct a 99% confidence interval for the proportion of returns at the Houston store.
) (to 4 decimals)
c. Is the proportion of returns at the Houston store significantly different from the returns for the nation as a whole? Provide
statistical support for your answer.
Since the confidence interval
Select your answer - v 0.12, we conclude that the return rate for the Houston store
Select your answer -
the U.S. national return rate.
Transcribed Image Text:According to the University of Nevada Center for Logistics Management, 12% of all merchandise sold in the United States gets returned. A Houston department store sampled 80 items sold in January and found that 14 of the items were returned. a. Construct a point estimate of the proportion of items returned for the population of sales transactions at the Houston store. (to 4 decimals) b. Construct a 99% confidence interval for the proportion of returns at the Houston store. ) (to 4 decimals) c. Is the proportion of returns at the Houston store significantly different from the returns for the nation as a whole? Provide statistical support for your answer. Since the confidence interval Select your answer - v 0.12, we conclude that the return rate for the Houston store Select your answer - the U.S. national return rate.
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