In 2008 the better business bureau settled 72% of complaints it received (usa today, march 2, 2009). suppose you have been hired by the better business bureau to investigate the complaints it received 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 0.72, the same as the overall proportion of complaints settled in 2008. round your answers to four decimal places. a. suppose you select a sample of 450 complaints involving new car dealers. show the sampling distribution of p.