A survey includes a series of questions about automobile automation technology. The 1,010 interviews completed in the survey showed that 213 respondents feel manufacturers should focus on developing self-driving vehicles. In addition, 825 respondents want current vehicle safety systems (such as automatic emergency braking and lane keeping assistance) to work better, and 589 respondents want these systems in the next vehicle they purchase. (a) Develop a point estimate of the proportion of respondents who feel manufacturers should focus on developing self-driving vehicles. (Round your answer to four decimal places.) (b) Develop a point estimate of the proportion of respondents who want current vehicle safety systems (such as automatic emergency braking and lane keeping assistance) to work better. (Round your answer to four decimal places.) (c) Develop a point estimate of the proportion of respondents who want current vehicle safety systems (such as automatic emergency braking and lane keeping assistance) in the next vehicle they purchase. (Round your answer to four decimal places.)