Asked by Naderay Atefi on May 11, 2024
Verified
Given that z is a standard normal random variable, what is the value of z if the area to the right of z is 0.9634?
A) 1.79
B) -1.79
C) 0.79
D) -0.79
Standard Normal
A normal distribution with a mean of zero and a standard deviation of one, widely used in statistical analysis.
Random Variable
A variable whose numerical values stem from unpredictable phenomena.
- Compute and elucidate z-scores within the framework of the standard normal distribution.
Verified Answer
ER
Eehan RochaMay 16, 2024
Final Answer :
B
Explanation :
The area to the right of z being 0.9634 means the area to the left is 1 - 0.9634 = 0.0366. Looking up 0.0366 in the standard normal distribution table or using a calculator gives a z-value of approximately -1.79.
Learning Objectives
- Compute and elucidate z-scores within the framework of the standard normal distribution.