SOLUTION: What is the area in the lower tail associated with a z-score of 2.92? What approximate z-score is associated with the 72nd percentile?

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Question 1177078: What is the area in the lower tail associated with a z-score of 2.92?
What approximate z-score is associated with the 72nd percentile?



Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
a z-score of 2.92 will have .9982497754 of the area under the normal distribution curve to the left of it.

this is what it looks like.



72d percentile will have a z-score of .582841502 associated with it.

this is what it looks like.