Hint s Check My 2016 the Better Business Bureau settled 75
Last updated: 4/9/2024
Hint s Check My 2016 the Better Business Bureau settled 75 of complaints they received in the United States Suppose you have been hired by the Better Business Bureau to investigate the complaints they received this year involving new car dealers You plan to select a sample of new car dealer complain imate 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 75 the same as the overall proportion of complaints settled in 2016 Use the z table Suppose you select a sample of 200 complaints involving new car dealers Show the sampling distribution of p F to 2 decimals to 4 decimals Based upon a sample of 200 complaints what is the probability that the sample proportion will be within 0 03 of the population proportion to 4 decimals robability Suppose you select a sample of 490 complaints involving new car dealers Show the sampling distribution of 5 to 2 decimals to 4 decimals Based upon the larger sample of 490 complaints what is the probability that the sample proportion will be within 0 03 of the population proportion to 4 decimals probability e As measured by the increase in probability how much do you gain in precision by taking the larger sample in part d increased by to 3 decimals There is a gain in precision by Select your answer V the sample size