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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
7.70 Because P(z .44) = .67, 67% of all z values are less than .44, and .44 is the 67th percentile of the stan- dard normal distribution. Determine the value of each of the following percentiles for the standard normal distri- bution (Hint: If the cumulative area that you must look for does not appear in the z table, use the closest entry):
a.     The 91st percentile (Hint: Lookforarea.9100.)
b.      The 77th percentile
c.      The 50th percentile
d.     The 9th percentile
e.      What is the relationship between the 70th z percen- tile and the 30th z percentile?
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