You are here (click or tap to change)    Back to Chapter 4 Main Page

Problem

  Open Document
 

4.3 Standard Deviation of a Discrete Random Variable

Concept
Now You Try It!

Determine if a probability distribution has been given. If so, find its mean and its standard deviation.
Number of bull’s-eyes out of three shots:
X P(X)
0 0.074
1 0.307
2 0.424
3 0.195
 
 

 

  Back to Chapter 4