SOLUTION: Can someone please help me wit this problem, I cannot understand how to read the z-score for this problem. What is the z-score that responds to P78 Thanks

Algebra ->  Probability-and-statistics -> SOLUTION: Can someone please help me wit this problem, I cannot understand how to read the z-score for this problem. What is the z-score that responds to P78 Thanks      Log On


   



Question 480064: Can someone please help me wit this problem, I cannot understand how to read the z-score for this problem.
What is the z-score that responds to P78
Thanks

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Can someone please help me with this problem, I cannot understand how to read the z-score for this problem.
What is the z-score that responds to P78
----
P78 means "the 78%ile score.
-------------------------------
Find the z-score with a left-tail of 0.78
---
invNorm(0.78) = 0.7722
=====================================
Cheers,
Stan H.
============