The scores on a national achievement test were approximately normally distributed, with a mean of 540 and
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a. If you achieved a score of 680, how far, in standard deviations, did your score depart from the mean?
b. What percentage of those who took the examination scored higher than you?
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Related Book For
Introduction To Probability And Statistics
ISBN: 9781133103752
14th Edition
Authors: William Mendenhall, Robert Beaver, Barbara Beaver
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