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Question 6 (Poisson Distribution) - A public health department studying the occurrence of brain cancer divides a city into 200 precincts of relatively equal size.

Question 6 (Poisson Distribution) - A public health department studying the occurrence of brain cancer divides a city into 200 precincts of relatively equal size. The average occurrence of brain cancer is found to be 1.3 cases per precinct. How many precincts would be expected to have:

(a) 1 case of brain cancer?

(b) 3 or more cases of brain cancer?

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