In 2016 a Pew Research poll asked a sample of Americans if they agreed with this statement: The Earth is warming mostly due to human activity. Responses and the political affiliation of respondents were recorded and are shown in the following table.

a. Fill in the row and column totals for the table.
b. If one person is chosen randomly from the group, what is the probability that the person is a Conservative Republican?
c. If one person is chosen randomly from the group, what is the probability that the person agrees with the statement?

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Conser- Moderate/ Moderate/ vative Liberal Conservative Liberal Republican Republican Democrat Democrat Total Yes 65 77 257 332 No 368 149 151 88 Total