Number of bacteria in a drop of water


The number of bacteria in a drop of water from a lake has Poisson distribution with average of 0.5 bacteria/drop. A small dish containing four drops of water form the lake is placed under a microscope. What is the probaility of observing at most one bacteria in the sample?

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Basic Statistics: Number of bacteria in a drop of water
Reference No:- TGS0851358

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