In a survey of 3,906 adults concerning complaints about restaurants, 1,530 complained about dirty or ill-equipped bathrooms and 1,221 complained about loud or distracting diners at other tables. Complete parts (a) through (c) below. a. Construct a 95% confidence interval estimate of the population proportion of adults who complained about dirty or ill-equipped bathrooms. SaS (Round to four decimal places as needed.) b. Construct a 95% confidence interval estimate of the population proportion of adults who complained about loud or distracting diners at other tables. STS (Round to four decimal places as needed.) c. How would the manager of a chain of restaurants use the results of (a) and (b)? Which of the following is the best summary of the information derived from (a)? O A. The manager can be 95% confident that the population proportion of all adults who complained about dirty or ill-equipped bathrooms lies within the interval in (a). O B. There is a 95% probability that the population proportion of all adults who complained about dirty or ill-equipped bathrooms lies within the interval in (a). O C. There is a 95% probability that the sample proportion of all adults who complained about dirty or ill-equipped bathrooms lies within the interval in (a). O D. The manager can be 95% confident that the sample proportion of all adults who complained about dirty or ill-equipped bathrooms lies within the interval in (a).
In a survey of 3,906 adults concerning complaints about restaurants, 1,530 complained about dirty or ill-equipped bathrooms and 1,221 complained about loud or distracting diners at other tables. Complete parts (a) through (c) below. a. Construct a 95% confidence interval estimate of the population proportion of adults who complained about dirty or ill-equipped bathrooms. SaS (Round to four decimal places as needed.) b. Construct a 95% confidence interval estimate of the population proportion of adults who complained about loud or distracting diners at other tables. STS (Round to four decimal places as needed.) c. How would the manager of a chain of restaurants use the results of (a) and (b)? Which of the following is the best summary of the information derived from (a)? O A. The manager can be 95% confident that the population proportion of all adults who complained about dirty or ill-equipped bathrooms lies within the interval in (a). O B. There is a 95% probability that the population proportion of all adults who complained about dirty or ill-equipped bathrooms lies within the interval in (a). O C. There is a 95% probability that the sample proportion of all adults who complained about dirty or ill-equipped bathrooms lies within the interval in (a). O D. The manager can be 95% confident that the sample proportion of all adults who complained about dirty or ill-equipped bathrooms lies within the interval in (a).
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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