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Graph alt text 4

A bar graph (histogram) entitled ‘Poisson distribution (λ = 3)’ showing the Poisson distribution of a probability function, with a horizontal (x) axis of outcome values from 0 to 12 and a vertical (y) axis of probabilities (0.0, 0.05, 0.10, 0.15, 0.20, 0.25). The graph is skewed right with twin peaks of approximately 0.22 (22%) at X = 2 and X = 3 and then rapidly goes down to minimum values at X > 9. Approximate values for each discrete value of X are 0: 0.05, 1: 0.15, 2: 0.22, 3: 0.22, 4: 16, 5: 0.10, 6: 0.05, 7: 0.02, 8: 0.01, 9: 0.003, 10: 0.001, 11: 0.0002, 12: 0.00.

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Last updated September 9, 2010



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