A set of data is mounded, with a mean of 450 and a variance of 625. Approximately what proportion of the observations is?

a. Greater than 425?

b. Less than 500?

c. Greater than 525?

a. Greater than 425?

b. Less than 500?

c. Greater than 525?

Statistics for Business and Economics

8th edition

Authors: Paul Newbold, William Carlson, Betty Thorne

ISBN: 978-0132930192

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