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Probability and Statistics-Poisson distribution.?

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  • M3
    Lv 7
    7 years ago
    Favorite Answer

    The poisson parameter for 1/2 sq. inch will be (1/2)*10 = 5,

    and indicated Pr = sum e^-5 *5^k/k!, k = 0 to 5

    = e^-5(1+ 5 +5^2/2! + 5^3/3! + 5^4/4! + 5^5/5!) = 0.6160 <-----

  • 7 years ago

    Let X, the number of flaws on the surface of a randomly selected boiler of a certain type, have Poisson distribution with (mu)=10 per square inch.

    Find

    P(number of flaws on a half square inch surface does not exceed 5)

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