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statistics

dud

New member
Joined
Feb 11, 2011
Messages
4
Use the normal curve table for this problem. What Z score would a person need to be in the 4% of his/her class on a particular test? Assume normal distribution
 

Idealistic

Junior Member
Joined
Sep 7, 2007
Messages
97
Go to your Z table and look for the "box" that corresponds to 4% of the area under the curve. It should be a decimal like, 0.9599 or 0.9608 or something close to 0.9600 (because 1 - 0.9600 = 0.0400, and 0.04 or 4% is what you're looking for). When you find that box, read the labels in the top and side margins which should correspond to about 1.75. But because 1.75 corresponds to approximately 0.96, just do 0 - 1.75 = -1.75 for a value of 0.04.

 
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