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Unformatted text preview: .45 95 th percentile = + Z .05 = 42.1 Z Table Step 2 calculate 95 th Percentile 95 th percentile = 42.1 + 1.654*6.7 =53.12 Calculate the 5 th Percentile Z = 1.645 5 th percentile = 42.1 1.645*6.7 = 31.07 Note: Any point can be measured in terms of the number of standard deviations above or below the mean. Find Zvalue for Two tail Probability Totaling 0.05 0.475 + Z 6.7 0.025 = 42.1 0.475 0.025  Z 6.7 Find Zvalue for Twotail Probability Totaling 0.05 Calculate Zscore How far is 60 yr from the mean? Mean = 42.1 yr sd =6.7 yr 60 =42.1 +Z 6.7 Z = (60 42.1)/6.7 = 2.67 From the table, 99.6 th percentile ZTable...
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This note was uploaded on 10/13/2010 for the course MINE 340 taught by Professor Geinady during the Summer '04 term at University of Cincinnati.
 Summer '04
 Geinady

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