anonymous
  • anonymous
problem with Poisson distribution, please help The number of dirt specks on a randomly selected square yard of polyethylene film of a certain type has a Poisson distribution with a mean value of 2 specks per square yard. Consider a random sample of n=5 film specimens, each having area 1 square yard, and let X(bar) be the resulting sample mean number of dirt specks. Obtain the first 21 probabilities in the X(bar) sampling distribution. [Hint: What does a moment generating function argument say about the distribution of X1+X2+...+X5?] Thanks beforehand
Statistics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
the poisson distribution is \[P(x,\lambda) = (e^{-\lambda}*\lambda ^{x})\div (x!)\]
anonymous
  • anonymous
i'm confused how to find X(bar) distribution and the probaility fr this distribution
anonymous
  • anonymous
if i use above formula, I get wrong answer

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