Suppose X is a random variable. How are the variance and standard deviation of X related? Select one: a. The variance of X is the square root of the standard deviation of X O b. The standard deviation of X is the square root of the variance of X C. The variance of X is the absolute value of the standard deviation of X d. The standard deviation of X is the absolute value of the variance of X
Suppose X is a random variable. How are the variance and standard deviation of X related? Select one: a. The variance of X is the square root of the standard deviation of X O b. The standard deviation of X is the square root of the variance of X C. The variance of X is the absolute value of the standard deviation of X d. The standard deviation of X is the absolute value of the variance of X
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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![Suppose X is a random variable. How are the variance and standard deviation of X related?
Select one:
O a. The variance of X is the square root of the standard deviation of X
O b. The standard deviation of X is the square root of the variance of X
O c. The variance of X is the absolute value of the standard deviation of X
o d. The standard deviation of X is the absolute value of the variance of X](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F374c9844-f425-4c75-967d-f39accf021ea%2F974de5a6-ec05-425b-b8e6-61fd96d94157%2Fnpa15gm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Suppose X is a random variable. How are the variance and standard deviation of X related?
Select one:
O a. The variance of X is the square root of the standard deviation of X
O b. The standard deviation of X is the square root of the variance of X
O c. The variance of X is the absolute value of the standard deviation of X
o d. The standard deviation of X is the absolute value of the variance of X
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