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Poisson Distribution

Author: Bob Kibler

Notes to follow along with

Do I get it?

"Do I get it?" Answers

$x equals 2 space space space space space fraction numerator left parenthesis 0.87 squared right parenthesis left parenthesis e to the power of negative 0.87 end exponent right parenthesis over denominator 2 factorial end fraction equals 0.1586$

$x equals 0 space space space space space fraction numerator left parenthesis 0.87 to the power of 0 right parenthesis left parenthesis e to the power of negative 0.87 end exponent right parenthesis over denominator 0 factorial end fraction equals 0.4190$

$space space space space space space space space space space space space x less-than or slanted equal to 2 space space left parenthesis x equals 0 comma 1 comma 2 right parenthesis space space space fraction numerator left parenthesis 0.87 squared right parenthesis left parenthesis e to the power of negative 0.87 end exponent right parenthesis over denominator 2 factorial end fraction plus fraction numerator left parenthesis 0.87 right parenthesis to the power of 1 left parenthesis e to the power of negative 0.87 right parenthesis end exponent over denominator 1 factorial end fraction plus fraction numerator left parenthesis 0.87 right parenthesis to the power of 0 left parenthesis e to the power of negative 0.87 end exponent right parenthesis over denominator 0 factorial end fraction equals 0.1586 space plus space 0.3645 space plus space 0.4190 space equals space 0.9421$

$x greater-than or slanted equal to 3 space space left parenthesis 3 comma 4 comma 5... right parenthesis space minus space N O T space I N C L U D I N G space 0 comma 1 comma 2 1 minus 0.9421 space equals space 0.0579$