(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

The number of flaws in a plastic panel used in the interior of cars has a mean of 2.2 flaws per square meter of panel .

What's the probability that there are less than 20 surface flaws in 10 square meter of panel ?

2. Relevant equations

3. The attempt at a solution

This is a poisson distribution problem , am i right ?

X ~Po(22) for 10 square meter of panel

It's quite insane to calculate the probability from 1 to 20 , right ? I'm wondering is there any appoximation method so that i can solve this question easily ?

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# Homework Help: Poisson distribution ( approximation)

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