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3 3. A survey of 640 students showed that 240 of them purchase books online, Find a 78% confidence interval estimate of the proportion of
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3. A survey of 640 students showed that 240 of them purchase books online, Find a 78% confidence interval estimate of the proportion of all students who purchase books online. [5 marks] 1) Critical Value 2) Margin of Error (round answer to 3 decimal places) 3) Confidence Interval
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Prealgebra
Authors: Marvin L Bittinger, David J Ellenbogen, Barbara L Johnson
7th Edition
032164008X, 9780134347202
