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Chapter 8: Discrete Probability Distributions
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Figure 8-21:
Display of the Geometric Distribution
Workbook for
Example 8-18
Mean (Expected Value), Variance and Standard Deviation for a
Geometric Random Variable
The mean, variance, and the standard deviation of a geometric random
variable can be computed using the following formulas.
Example 8-19
:
What is the expected value of the number of trials needed
for the first incorrect guess in
Example 8-18
?
Click here for the Geometric Probability Distribution Workbook