SOLUTION: If the random variable z is a Standard Normal Score, what is P(-1.00 ≤ z ≤ +1.00)? How did you find this probability?
Algebra ->
Probability-and-statistics
-> SOLUTION: If the random variable z is a Standard Normal Score, what is P(-1.00 ≤ z ≤ +1.00)? How did you find this probability?
Log On
Question 658676: If the random variable z is a Standard Normal Score, what is P(-1.00 ≤ z ≤ +1.00)? How did you find this probability? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! If the random variable z is a Standard Normal Score, what is P(-1.00 ≤ z ≤ +1.00)? How did you find this probability?
-----
Using a TI-84 I get normalcdf(-1,1) = 0.6827
==============
Cheers,
Stan H.
=================