Although airline schedules and cost are important factors for business travelers when choosing an airline carrier, a uSa today survey found that business travelers list an airline’sfrequent flyer program as the most important factor. From a sample of n = 1993 businesstravelers who responded to the survey, 618 listed a frequent flyer program as the most important factor.a. What is the point estimate of the proportion of the population of business travelerswho believe a frequent flyer program is the most important factor when choosing anairline carrier?b. Develop a 95% confidence interval estimate of the population proportion.c. How large a sample would be required to report the margin of error of .01 at 95%confidence? Would you recommend that uSa today attempt to provide this degreeof precision? Why or why not?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 5E
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Although airline schedules and cost are important factors for business travelers when choosing an airline carrier, a uSa today survey found that business travelers list an airline’s
frequent flyer program as the most important factor. From a sample of n = 1993 business
travelers who responded to the survey, 618 listed a frequent flyer program as the most important factor.
a. What is the point estimate of the proportion of the population of business travelers
who believe a frequent flyer program is the most important factor when choosing an
airline carrier?
b. Develop a 95% confidence interval estimate of the population proportion.
c. How large a sample would be required to report the margin of error of .01 at 95%
confidence? Would you recommend that uSa today attempt to provide this degree
of precision? Why or why not?

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