According to the University of Nevada Center for Logistics Management, 12% of all merchandise sold in...

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 110 items sold in January and found that 15 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. .1364 (to 4 decimals) B. Construct a 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. z-value (to 2 decimals) p-value (to 4 decimals).DO NOT REJECT the null. Yes, we DON'T HAVE enough evidence to prove that Houston is different from the national average.

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Assuming alpha = 0.05

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orchestra answered 1 year ago

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