Use a table of areas for the standard normal curve to find the required z-score.
-Find the z-score having area 0.09 to its left under the standard normal curve.
A)-1.26
B)-1.34
C)-1.45
D)-1.39

Question

Use a table of areas for the standard normal curve to find the required z-score.
-Find the z-score having area 0.09 to its left under the standard normal curve. 
A)-1.26
B)-1.34
C)-1.45
D)-1.39

Quizplus · Accepted Answer

The area to the left under the standard normal curve represents the cumulative distribution function (CDF) value. An area of 0.09 corresponds to a z-score of approximately -1.34, based on standard normal distribution tables or a calculator.

Use a Table of Areas for the Standard Normal Curve