Introduction to Probability and Statistics for Engineers and Scientists

224 Chapter 6: Distributions of Sampling Statistics

0

0.20

0.15

0.10

0.05

0.0

Poisson (5)

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x

0

0.14

0.12

0.10

0.08

0.06

0.04

0.02

0.0

Poisson (10)

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x

0

0.10

0.08

0.06

0.04

0.02

0.0

Poisson (20)

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x

FIGURE 6.5 Poisson probability mass functions.