#33 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. Theirpreferences are listed below.еBookhard copyhard copyhard copyеВookhard copyhard copyhard copyhard copyhard copyhard copyhard copyhard copyeВookеBookhard copyhard copyeBookеBookеВookеВookhard copyhard copyhard copyhard copyhard copyеBookеВookеВookhard copyDetermine the point estimate, p and the sample standard deviation, Sp. Round the sample proportion tofour decimal places and round the standard deviation to six decimal places, if necessary.p =SpUsing a 95% confidence level, determine the margin of error, E, and a confidence interval for theproportion of all students at the college who work prefer eBooks over printed textbooks. Report theconfidence interval using interval notation. Report the solutions in percent form, rounded to two decimalplaces, if necessary.The margin of error is given by E =A 95% confidence interval is given by

From the provided information, Sample size (n) = 30 The number of students who prefer eBook over hard copies (x) = 11The required point estimate and standard deviation of students who prefer eBook over hard copies can be obtained as:Confidence level = 95% The z value at 95% confidence level from the standard normal table is 1.96. The required margin of error can be obtained as:The required 95% confidence interval can be obtained as:

Math

Statistics

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