February 22, 2017

Homework Help: Statistics

Posted by Devon on Monday, September 10, 2007 at 7:24pm.

Standard Normanl Drill:
A. Find the number z such that the proportion of observations that are less than z in a standard Normal distribution is 0.8.
B. Find the number z such that 35% of all observations from a standard Normal distribution are greater than z.

i have now idea what they are asking, any help?

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