Part 1 of 4 Points: 0 of 1 Save In a survey of 3,534 adults concerning complaints about restaurants, 1,443 complained about dirty or ill-equipped bathrooms and 1,189 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. sxs (Round to four decimal places as needed.)