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The bookstore at IRSC would like to estimate the proportion of students who prefer electronic textbooks (eBooks) over printed textbooks (hard copies). A random sample of 30 students was surveyed. Their preferences are listed below. hard copy eBook еВook hard copy hard copy hard copy hard copy hard copy hard copy hard copy hard copy hard copy hard copy hard copy hard copy еВook еВook hard copy hard copy hard copy hard copy eBook eBook еВook еВook еВook hard copy еBook еВook hard copy Determine the point estimate, p and the sample standard deviation, 8p. Round the sample proportion to four decimal places and round the standard deviation to six decimal places, if necessary. p = Sp = Using a 95% confidence level, determine the margin of error, E, and a confidence interval for the proportion of all students at the college who work prefer eBooks over printed textbooks. Report the confidence interval using interval notation. Report the solutions in percent form, rounded to two decimal places, if necessary. The margin of error is given by E = A 95% confidence interval is given by

The bookstore at IRSC would like to estimate the proportion of students who prefer electronic textbooks (eBooks) over printed textbooks (hard copies). A random sample of 30 students was surveyed. Their preferences are listed below. hard copy eBook еВook hard copy hard copy hard copy hard copy hard copy hard copy hard copy hard copy hard copy hard copy hard copy hard copy еВook еВook hard copy hard copy hard copy hard copy eBook eBook еВook еВook еВook hard copy еBook еВook hard copy Determine the point estimate, p and the sample standard deviation, 8p. Round the sample proportion to four decimal places and round the standard deviation to six decimal places, if necessary. p = Sp = Using a 95% confidence level, determine the margin of error, E, and a confidence interval for the proportion of all students at the college who work prefer eBooks over printed textbooks. Report the confidence interval using interval notation. Report the solutions in percent form, rounded to two decimal places, if necessary. The margin of error is given by E = A 95% confidence interval is given by

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
Section11.4: Collecting Data
Problem 6E
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The bookstore at IRSC would like to estimate the proportion of students who prefer electronic textbooks (eBooks) over printed textbooks (hard copies). A random sample of 30 students was surveyed. Their preferences are listed below. еBook hard copy hard copy hard copy еВook hard copy hard copy hard copy hard copy hard copy hard copy hard copy hard copy eВook еBook hard copy hard copy eBook еBook еВook еВook hard copy hard copy hard copy hard copy hard copy еBook еВook еВook hard copy Determine the point estimate, p and the sample standard deviation, Sp. Round the sample proportion to four decimal places and round the standard deviation to six decimal places, if necessary. p = Sp Using a 95% confidence level, determine the margin of error, E, and a confidence interval for the proportion of all students at the college who work prefer eBooks over printed textbooks. Report the confidence interval using interval notation. Report the solutions in percent form, rounded to two decimal places, if necessary. The margin of error is given by E = A 95% confidence interval is given by
Transcribed Image Text:The bookstore at IRSC would like to estimate the proportion of students who prefer electronic textbooks (eBooks) over printed textbooks (hard copies). A random sample of 30 students was surveyed. Their preferences are listed below. еBook hard copy hard copy hard copy еВook hard copy hard copy hard copy hard copy hard copy hard copy hard copy hard copy eВook еBook hard copy hard copy eBook еBook еВook еВook hard copy hard copy hard copy hard copy hard copy еBook еВook еВook hard copy Determine the point estimate, p and the sample standard deviation, Sp. Round the sample proportion to four decimal places and round the standard deviation to six decimal places, if necessary. p = Sp Using a 95% confidence level, determine the margin of error, E, and a confidence interval for the proportion of all students at the college who work prefer eBooks over printed textbooks. Report the confidence interval using interval notation. Report the solutions in percent form, rounded to two decimal places, if necessary. The margin of error is given by E = A 95% confidence interval is given by
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