em5montivernayvialc
em5montivernayvialc em5montivernayvialc
  • 14-12-2016
  • Mathematics
contestada

Approximately 4% of silicon wafers produced by a manufacturer have fewer than two large flaws. If Y, the number of flaws per wafer , has a Poisson distribution, what proportion of wafer have more than five large flaws?

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syed514
syed514 syed514
  • 20-12-2016
Y ~ Po (λ)

P(Y < 2) = P(Y ≤ 1) = 0.04

Plug into the pdf for Po(λ), and solve for λ

After that, use your answer to find P(Y > 5)
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