SOLUTION: the z-value for a confidence level of 80% is

Algebra ->  Probability-and-statistics -> SOLUTION: the z-value for a confidence level of 80% is      Log On


   

Question 632206: the z-value for a confidence level of 80% is
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
the z-value for a confidence level of 80% is
---
You have two 10% tails.
z-value is +-1.2816
===============================
Cheers,
Stan H.