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2.17 Global warming: A research poll asked 1314 Americans "From what you've read and heard,
is there solid evidence that the average temperature on earth has been getting warmer over the
past few decades, or not?". The table below shows the distribution of responses by party and
ideology, where the counts have been replaced with relative frequencies. a) Are believing that
the earth is warming and being a tiberat Democrat mutually exclusive? not mutually exclusive
mutually exclusive b) What is the probability that a randomly chosen respondent believes the
earth is warming or is a liberal Democrat? (please round to four decimal places) c) What is the
probability that a randomlv chosen respondent believes the earth is warming given that they are a
liberal Democrat? (please round to four decimal places) d) What is the probability that a
randomly chosen respondent believes the earth is warming given that they are a conservative
Republican? (please round to four decimal places) e) Does it appear that whether or not a
respondent believes the earth is warming is independent of their party ideology? belief in global
warming and party ideology are dependent belief in global warming and party ideology are
independent f) What is the probability that a randomly chosen resoondent is a moderate/liberal
Republican given that they do not believe that the earth is warming? (please round to four
decimal places)

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  • 1. 2.17 Global warming: A research poll asked 1314 Americans "From what you've read and heard, is there solid evidence that the average temperature on earth has been getting warmer over the past few decades, or not?". The table below shows the distribution of responses by party and ideology, where the counts have been replaced with relative frequencies. a) Are believing that the earth is warming and being a tiberat Democrat mutually exclusive? not mutually exclusive mutually exclusive b) What is the probability that a randomly chosen respondent believes the earth is warming or is a liberal Democrat? (please round to four decimal places) c) What is the probability that a randomlv chosen respondent believes the earth is warming given that they are a liberal Democrat? (please round to four decimal places) d) What is the probability that a randomly chosen respondent believes the earth is warming given that they are a conservative Republican? (please round to four decimal places) e) Does it appear that whether or not a respondent believes the earth is warming is independent of their party ideology? belief in global warming and party ideology are dependent belief in global warming and party ideology are independent f) What is the probability that a randomly chosen resoondent is a moderate/liberal Republican given that they do not believe that the earth is warming? (please round to four decimal places)