Coliform bacteria are randomly distributed in a certain Arizona River at an average concentration of 1 per
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Question:
Coliform bacteria are randomly distributed in a certain Arizona River at an average concentration of 1 per 20 ccs of water.
a). If we draw a test tube containing 10 ccs of water from the river, use the Poisson probability mass function to determine the chance that the sample contains exactly 2 coliform bacteria.
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