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Poisson distribution

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Say that a meteor falls somewhere in the Gobi Desert once a year on the average. Use the Poisson distribution to find the probability of randomly selecting a year in which no meteor falls in the Gobi Desert.

I know the answer is .37 but do not know how to get it.
Also, I do not have a scientific calculator I am using excel.

Thanks again.

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The expert examines poisson distribution for a meteor falling.

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You'll be able to do pretty all of the statistics for your class in Excel. Excel can do pretty much anything a scientific calculator can do; you just need to know what to type in (like, you need to know to use =sqrt() ...

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