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hard copy eBook eBook eBook eBook ebook eBook eBook eBook eBook hard copy hard copy...

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hard copy eBook eBook eBook eBook ebook eBook eBook eBook eBook hard copy hard copy hard copy eBook eBook eBook eBook hard copy eBook eBook eBook eBook hard copy O Decrease the sample size O Decrease the level of confidence O Increase the level of confidence hard copy eBook hard copy hard copy eBook eBook Determine the point estimate and the sample standard deviation s Round the sample proportion to four decimal places and round the standard deviation to six decimal places if necessary p S6 Using a 96 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 96 confidence interval is given by The margin of error for this confidence interval is quite large What is the best way for the bookstore to achieve a confidence interval with a smaller margin of error

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