SOLUTION: If z is the standard normal variable, find the following probabilities. P(z < -1.96) = ___________ ___ P(-2.45 < z < -1.91) = ___________ ___ My formulas in EXCEl are all del

Algebra.Com
Question 854125: If z is the standard normal variable, find the following probabilities.
P(z < -1.96) = _______________
P(-2.45 < z < -1.91) = _______________
My formulas in EXCEl are all deleted! I need help Please and thank you

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
If z is the standard normal variable, find the following probabilities.
P(z < -1.96) = 0.025
_______________
P(-2.45 < z < -1.91) = 0.0209
_______________
Cheers,
Stan H.
==================

RELATED QUESTIONS

find the following probabilities for the standard normal random variable z: P(z >... (answered by jim_thompson5910)
Find the following probabilities using the standard normal z-tables. Give a sketch with... (answered by ewatrrr)
Suppose Z is a standard normal random variable. 1. If P(-z < Z < z) = 0.5098, find z. (answered by Theo)
Find the following probabilities: A. P (z > 1.96) B. P (-1.65 < z < 1.65) C. P... (answered by ikleyn)
Find the following probabilities: A. P (z > 1.96) B P (-1.65 < z < 1.65) C P... (answered by ikleyn)
Find the following probabilities: A. P (z > 1.96) B. P (-1.65 < z < 1.65) C. P... (answered by ikleyn)
Using the standard normal distribution chart, find the probabilities in the following... (answered by Edwin McCravy)
Suppose Z is a standard normal random variable. If P(-z < Z < z) = 0.599, find z. (answered by Boreal)
find the following probabilities for the standard normal random variable Z. P (Z>1.53) (answered by ewatrrr)