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  • Oct 20, 2009, 07:51 AM
    sampsonrn
    probability of 911 calls
    what is the probability of 4 or more calls to 911 with a poisson distribution with a mean of 11
  • Oct 20, 2009, 08:24 AM
    ballengerb1

    More details and may help get you some answers.
  • Oct 20, 2009, 11:06 AM
    galactus
    Find the probability of less than 4 and subtract from 1.





    Let x=0, 1, 2, 3, add them up, and subtract from 1.

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