SOLUTION: a wildlife biologist examines frogs for a genetic trait he suspects may be linked to sensitivity to ndustrial toxins in the enviroment. Previous research had established that this

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Question 462978: a wildlife biologist examines frogs for a genetic trait he suspects may be linked to sensitivity to ndustrial toxins in the enviroment. Previous research had established that this trait i usually found in 1 of every 8 frogs. He collects and examine a dozen frogs. If the frequency of the trait has not changed, what the probaility he finds the trait in at least 2 frogs?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
The statistical experiment follows a Poisson distribution.
alpha+=+%281%2F8%29%2A12+=+3%2F2+=+1.5
==> , to 4 decimal places.