In a survey of 3,814 adults concerning complaints about restaurants, 1,504 complained about dirty or ill-equipped bathrooms and 1,216 complained about loud or distracting diners at other tables. Complete parts (a) through (c) below. a. Construct a 90%% confidence interval estimate of the population proportion of adults who complained about dirty or ill-equipped bathrooms. 0.3813 S=S 0.4073 (Round to four decimal places as needed.) b. Construct a 90% confidence interval estimate of the population proportion of adults who complained about loud or distracting diners at other tables. sxe |(Round to four decimal places as needed.) Screen Shot 2022-07-11 at 8.51.03 AM * Q Search A survey of nonprofit organizations showed that online fundraising has increased in the past year. Based on a random sample of 50 nonprofits, the mean one time gift donation in the past year was $29, with a standard deviation of $10. Complete parts a and b below. a. Construct a 90% confidence interval estimate for the population one-time gift donation. 26.63 sus 31.37 (Type integers or decimals rounded to two decimal places as needed.) b. Interpret the interval constructed in (a)- Choose the correct answer below. O A. The quality improvement team can be 90% confident that the new population mean turnaround time is contained within the confidence interval. O B. The quality improvement team can be completely sure that the new population mean turnaround time is the midpoint of the confidence interval. O C. The quality improvement team can be completely sure that the new population mean turnaround time is contained within the confidence interval. Q D. The quality improvement team can be 90% confident that the new population mean turnaround time is the midpoint of the confidence interval