In a survey of 3,873 adults concerning complaints about restaurants, 1,534 complained about dirty or ill-equipped bathrooms and 1,187 complained about loud or distracting diners at other tables....

Please help with part b. Thanks.


Extracted text: In a survey of 3,873 adults concerning complaints about restaurants, 1,534 complained about dirty or ill-equipped bathrooms and 1,187 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. 0.3832 STS 0.4090 (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. (Round to four decimal places as needed.)