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In a sample of 1,000 representing a survey from the entire population, 650 people were form Laketown, and the rest of the people were from River City....

In a sample of 1,000 representing a survey from the entire population, 650 people were form Laketown, and the rest of the people were from River City. Out the the sample, 19 people had some form of cancer. Thirteen of these people were from Laketown.

a) Are the events of living in Laketown and having some sort of cancer independent?

b) Which city would you prefer to live in, assuming that your main objective as to avoid having cancer?
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SOLUTION
Given:Total population
People living in Laketown
People living in River City
People living in Laketown & having cancer
People living in River City and having cancer 1000
650
350
13
6...

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