Homework Help: Probability

Posted by Erica on Friday, January 27, 2012 at 7:02am.

Assume that 20% of a very common insect species in your study area is parasitized. Assume that insects are parasitized independently of each other. If you collect 10 specimens of this species, what is the probability that no more than 2 specimens in your sample are parasitized?

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