The number of road construction projects that take place at any one time in a certain city follows a Poisson distribution with a mean of 4.1. Find the probability that exactly 12 road construction projects are currently taking place in this city. Answer:

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A: P(x:μ)=e-λλxx!   P(X>k)<0.01P(X≤k)<0.09

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A: Solution.

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A: We have to find given probability.

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Q: A certain kind of sheet metal has, on average, 5 defects per 15 square feet. Assuming a Poisson…

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A: Given : mean = λ = 7 Poisson distribution  = e-λ λxx!

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