In 2006, the General Social Survey asked 917 respondents "how much do you favor or oppose requiring car makers to make cars and trucks that use less gasoline?" Their responses are given in the table below. Based on these responses, find a point estimate for the population proportion who either strongly favor or favor requiring car makers to make cars and trucks that use less gasoline

Strongly Favor

645

Favor 197

Neither Favor nor Oppose 52

Oppose 14

Strongly Oppose 9

A) 0.92 B) none of these C) 0.84 D) 0.70 E) 0.21