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The number of flaws in a cloth is assumed to be Poisson distributed with a mean...

The number of flaws in a cloth is assumed to be Poisson distributed with a mean

of 0.2 flaw per square meter.

(a) What is the probability that there are two flaws in 1 square meter of cloth?

(b) What is the probability that there is one flaw in 10 square meters of cloth?

(c) What is the probability that there are no flaws in 20 square meter of a cloth?

(d) What is the probability that there are at least two flaws in 10 square meters

of cloth?

Math   Statistics-And-Probability   
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