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).
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text: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.
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).
OC. 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).
Which of the following is the best summary of the information derived from (b)?
O A. The manager can be 95% confident that the population proportion of all adults who complained about loud or distracting diners at other tables lies within the interval in (b).
O B. The manager can be 95% confident that the sample proportion of all adults who complained about loud or distracting diners at other tables lies within the interval in (b).
O C. There is a 95% probability that the sample proportion of all adults who complained about loud or distracting diners at other tables lies within the interval in (b).
O D. There is a 95% probability that the population proportion of all adults who complained about loud or distracting diners at other tables lies within the interval in (b).
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Transcribed Image Text: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.
(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).
OC. 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).
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