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MindTap - Cengage Learning X New Tab X + X ng.cengage.com/staticb/ui/evo/index.html?deploymentld=59914020543049058171306728&elSBN=9780357131466&id... O Apps Wholesale Plus Size... Great Lakes Water Bill Prince George's Co... Caliber Home Loan... Bidpal y E-ZPass@ Maryland Sign in | Microsoft... > Other bookmarks Renia CENGAGE | MINDTAP Q Search this course ? My Home Chapter 7 Assignment X Courses Assignment: Chapter 7 Assignment Assignment Score: 90.62% Save Submit Assignment for Grading Catalog and Study Tools Questions Exercise 07.35 Algo (Sampling Distribution of p) Question 7 of 8 A-Z Partner Offers 1. Hint(s) Check My Work 2. ( Office Rental Options 3. In 2016 the Better Business Bureau settled 80% of complaints they received in the United States. Suppose you have been hired by the Better Business Bureau to investigate the complaints they College Success Tips 4. eceived this year involving new car dealers. You plan to select a sample of new car dealer complaints to estimate the proportion of complaints the Better Business Bureau is able to settle. Assume the population proportion of complaints settled for new car dealers is 0.80, the same as the overall proportion of complaints settled in 2016. Use the z-table. Career Success Tips 5. a. Suppose you select a sample of 200 complaints involving new car dealers. Show the sampling distribution of p. 6. E(p) = 0.03 (to 2 decimals) You are eligible for a FREE 7- 7 . day trial of Cengage Unlimited of = 0.0282 (to 4 decimals) or Cengage Unlimited 8. eTextbooks b. Based upon a sample of 200 complaints, what is the probability that the sample proportion will be within 0.06 of the population proportion (to 4 decimals)? probability = 0.4758 x Try for Free c. Suppose you select a sample of 470 complaints involving new car dealers. Show the sampling distribution of p. Learn more E(p) = 0.40 (to 2 decimals) op = (to 4 decimals) ? Help d. Based upon the larger sample of 470 complaints, what is the probability that the sample proportion will be within 0.06 of the population proportion (to 4 decimals)? Give Feedback probability = 0.055 x A+ e. As measured by the increase in probability, how much do you gain in precision by taking the larger sample in part (d)? The probability of the sample proportion being within 0.06 of the population mean is increased by (to 3 decimals). There is a gain in precision by |increasing the sample size. Hide Feedback Type here to search O O W 10:30 PM 9/16/2020