u may need to use the appropriate technology to answer this question. were returned. According to a research center, 13% of all merchandise sold in a particular country gets returned. A department store in a certain city sampled 80 items sold in January and found that 20 of the items ) Construct a point estimate of the proportion of items returned for the population of sales transactions at the store in the given city. (b) Construct a 95% confidence interval for the proportion of returns at the store in the given city. (Round your answers to four decimal places.) (c) Is the proportion of returns at the store in the given city significantly different from the returns for the country as a whole? Provide statistical support for your answer. Develop appropriate hypotheses such that rejection of H will support the conclusion that the proportion of returns at the store in the given city is significantly different from the returns for the country as a whole. OHo: P S 0.13 H, : P > 0.13 Ho: p 2 0.13 O H: P 0.13 H : P S 0.13 Find the value of the test statistic. (Round your answer to two decimal places.) At a = 0.01, what is your conclusion? O Do not reject H . There is insufficient evidence to conclude that the return rate for the store in the given city is different than the country's national return rate. O Reject H. There is insufficient evidence to conclude that the return rate for the store in the given city is different than the country's national return rate. Reject H . There is sufficient evidence to conclude that the return rate for the store in the given city is different than the country's national return rate. O Do not reject H. There is sufficient evidence to conclude that the return rate for the store in the given city is different than the country's national return rate