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Cumulative Probabilities for the Poisson Distribution


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For the given values of the parameter λ (equal to the mean of the distribution) the table gives the values of P(Xr).

rλ

0.10.20.30.40.50.60.70.80.91.01.21.41.61.82.02.53.03.54.05.0

0.9048.8187.7408.6703.6065.5488.4966.4493.4066.3679.3012.2466.2019.1653.1353.0821.0498.0302.0183.0067

1.9953.9825.9631.9384.9098.8781.8442.8088.7725.7358.6626.5918.5249.4628.4060.2873.1991.1359.0916.0404

2.9998.9989.9964.9921.9856.9769.9659.9526.9371.9197.8795.8335.7834.7306.6767.5438.4232.3208.2381.1247

3.9999.9997.9992.9982.9966.9942.9909.9865.9810.9662.9463.9212.8913.8571.7576.6472.5366.4335.2650

4.9999.9998.9996.9992.9986.9977.9963.9923.9857.9763.9636.9473.8912.8153.7254.6288.4405

5.9999.9998.9997.9994.9985.9968.9940.9896.9834.9580.9161.8576.7851.6160

6.9999.9997.9994.9987.9974.9955.9858.9665.9347.8893.7622

7.9999.9997.9994.9989.9958.9881.9733.9489.8666

8.9999.9998.9989.9962.9901.9786.9319

9.9997.9989.9967.9919.9682

10.9999.9997.9990.9972.9863

11.9999.9997.9991.9945

12.9999.9997.9980

13.9999.9993

14.9998

15.9999

NB. Missing values correspond to probabilities equal to 1.0000, correct to four decimal places.

From A Dictionary of Statistics in Oxford Reference.

Subjects: Probability and Statistics.



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