- #1
tzx9633
Homework Statement
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 ?
Homework Equations
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 ?