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A total of 1496 randomly selected adults who are at least 22 years in age were asked, "How frequently do you visit quick service restaurants?" To be included in the study, a person had to meet two criteria. Within 30 days prior to the study, the person must have visited a quick service restaurant at least 4 times or a casual restaurant at least twice, and the person must have visited quick service restaurants at least as many times as casual restaurants. Their responses are described by the pie chart. Answer parts (a) through (d) below. W Click the icon to view the Frequency of Visits to Quick Service Restaurants. a. Find the probability that a person randomly selected from the survey visits quick service restaurants twice a week. - X Visits to quick service restaurants (Type an integer or a decimal.) b. Find the probability that a person randomly selected from the survey visits quick service restaurants at least 3 times a week. Frequency of Visits to Quick Service Restaurants Less than once a week, 18.9% I Once a week. 26.8% (Type an integer or a decimal.) O Twice a week, 23.5% O Three times a week, 16 8% I Four times a week, 52% I More than four times a week, 8.8% c. Find the probability that a person randomly selected from the survey visits quick service restaurants less than 3 times a week. (Туре integer or a decimal.) Print Done

A total of 1496 randomly selected adults who are at least 22 years in age were asked, "How frequently do you visit quick service restaurants?" To be included in the study, a person had to meet two criteria. Within 30 days prior to the study, the person must have visited a quick service restaurant at least 4 times or a casual restaurant at least twice, and the person must have visited quick service restaurants at least as many times as casual restaurants. Their responses are described by the pie chart. Answer parts (a) through (d) below. W Click the icon to view the Frequency of Visits to Quick Service Restaurants. a. Find the probability that a person randomly selected from the survey visits quick service restaurants twice a week. - X Visits to quick service restaurants (Type an integer or a decimal.) b. Find the probability that a person randomly selected from the survey visits quick service restaurants at least 3 times a week. Frequency of Visits to Quick Service Restaurants Less than once a week, 18.9% I Once a week. 26.8% (Type an integer or a decimal.) O Twice a week, 23.5% O Three times a week, 16 8% I Four times a week, 52% I More than four times a week, 8.8% c. Find the probability that a person randomly selected from the survey visits quick service restaurants less than 3 times a week. (Туре integer or a decimal.) Print Done

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A total of 1496 randomly selected adults who are at least 22 years in age were asked, "How frequently do you visit quick service restaurants?" To be included in the study, a person had to meet two criteria. Within 30 days prior to the study, the person must have visited a quick service restaurant at least 4 times or a casual restaurant at least twice, and the person must have visited quick service restaurants at least as many times as casual restaurants. Their responses are described by the pie chart. Answer parts (a) through (d) below. W Click the icon to view the Frequency of Visits to Quick Service Restaurants. a. Find the probability that a person randomly selected from the survey visits quick service restaurants twice a week. - X Visits to quick service restaurants (Type an integer or a decimal.) b. Find the probability that a person randomly selected from the survey visits quick service restaurants at least 3 times a week. Frequency of Visits to Quick Service Restaurants Less than once a week, 18.9% I Once a week, 26.8% O Twice a week, 23.5% (Type an integer or a decimal.) O Three times a week, 16 8% I Four times a week, 52% I More than four times a week, 8.8% c. Find the probability that a person randomly selected from the survey visits quick service restaurants less than 3 times a week. (Туре integer or a decimal.) Print Done
Transcribed Image Text:A total of 1496 randomly selected adults who are at least 22 years in age were asked, "How frequently do you visit quick service restaurants?" To be included in the study, a person had to meet two criteria. Within 30 days prior to the study, the person must have visited a quick service restaurant at least 4 times or a casual restaurant at least twice, and the person must have visited quick service restaurants at least as many times as casual restaurants. Their responses are described by the pie chart. Answer parts (a) through (d) below. W Click the icon to view the Frequency of Visits to Quick Service Restaurants. a. Find the probability that a person randomly selected from the survey visits quick service restaurants twice a week. - X Visits to quick service restaurants (Type an integer or a decimal.) b. Find the probability that a person randomly selected from the survey visits quick service restaurants at least 3 times a week. Frequency of Visits to Quick Service Restaurants Less than once a week, 18.9% I Once a week, 26.8% O Twice a week, 23.5% (Type an integer or a decimal.) O Three times a week, 16 8% I Four times a week, 52% I More than four times a week, 8.8% c. Find the probability that a person randomly selected from the survey visits quick service restaurants less than 3 times a week. (Туре integer or a decimal.) Print Done
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