SOLUTION: Hi! Please help me with this question! In a normal distribution, find the z-score that cuts off the bottom 20%. Thank you so much! :)

Question 1179011: Hi! Please help me with this question!

In a normal distribution, find the z-score that cuts off the bottom 20%.
Thank you so much! :)
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!


Hi
Recommend Using Your Calculator:

Using TI or similarly an inexpensive calculator like an Casio fx-115 ES plus
z=  invNorm(.20) =-.8416

Tables may be used.  Recommend Using a Calculator for quick reference.
Wish You the Best in your Studies.

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