A set of data is mounded, with a mean of 300 and a variance of 144. Approximately

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A set of data is mounded, with a mean of 300 and a variance of 144. Approximately what proportion of the observations is
a. Greater than 288?
b. Less than 324?
c. Greater than 336?

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Statistics For Business And Economics

ISBN: 9781292315034

9th Global Edition

Authors: Paul Newbold, William Carlson, Betty Thorne

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