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Find probability that young sees signs of global warming

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Reference no: EM132858066

According to a research, in America, 70% of young people see signs of global warming as compared to only 30% of old people who feel the same. Suppose the survey was based on 400 young and 400 old people.

a. Construct a contingency table that shows frequencies for the age group (young or old) and Global Warming (yes or no).

b. Find the probability that a young sees signs of global warming.

c. Find the probability that a person does not see signs of global warming. d. If a person sees signs of global warming, what is the probability that this person is an old person?

Reference no: EM132858066

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