If the mean of a population is 190 and its standard deviation is 15, approximately what proportion
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If the mean of a population is 190 and its standard deviation is 15, approximately what proportion of observations is in the interval between each pair values?
a. 145 and 235
b. 160 and 220
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Related Book For
Statistics For Business And Economics
ISBN: 9781292315034
9th Global Edition
Authors: Paul Newbold, William Carlson, Betty Thorne
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