Question

TeVUI Save Submit Assignment for Grading Question 7 of 7 eBook According to the University of Nevada Center for Logistics Management, 6% of all merchandise sold in the United States gets returned. A Houston department store sampled 80 items sold in January and found that 8 of the items were returned. (a) Construct a point estimate of the proportion of items returned for the population ofsales transactions at the Houston store. If required, round your answer to three decimal places. (b) Construct a 95% confidence interval for the porportion of returns at the Houston store. If required, round your answer to three decimal places. (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 We - Select your answer the null hypothesis. We - Select your answer - conclude that the return rate for the Houston store is different than the U.S. national return rate. 0= Icon Key Question 7 of 7 Save Submit Assignment for Grading

Answer 1

ag ey store. Sales so x=8 , n=80 a) Point estimate of the Proportion items returned for the population transactions at the Houston P = = -0.100 (b) 95% confidence interval: (1 = (+ za JēC1-B)). -40-1 #1:46 0.1(1-0-1) ) = (10.03410.1661 (c) koe acceb+ he Nш Hypo Huli' . n 01 (1- е not sufficient evidence to concelede that the return rate for the Houston store is erent than the U.s national return different rale. than the i TTTT