Question (4) [2 Marks]
Note: Do not use R, do the calculations by hand.
Coliform bacteria occur in river water with an average intensity of 1 bacteria per 10 cubic centimeters (cc) of water.
Find:
(a) [1 point] The probability there are no bacteria in a 20cc
sample of water which is tested.
(b) [1 point] The probability there are 5 or more bacteria in a
50cc sample.
TOPIC:Poisson distribution.
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