One of the questions on a survey asked adults a series of questions on attitudes toward automation. The results showed that 2,973 out of 4,135 respondents are worried about a future in which robots and computers can do many human jobs; 2,774 are worried about the development of algorithms that can evaluate and hire job candidates; and 2,236 are worried about the development of driverless vehicles. (Round your answers to four decimal places.)

(a)

Develop a point estimate of the proportion of respondents who are worried about a future in which robots and computer can do many human jobs.

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(b)

Develop a point estimate of the proportion of respondents who are worried that the development of algorithms that can evaluate and hire job candidates.

_____________

(c)

Develop a point estimate of the proportion of respondents who are worried about the development of driverless vehicles.

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