Question

In a survey of 400 likely voters, 214 responded that they would vote for the incumbent and 186 responded that they would vote for the challenger. Let p denote the fraction of all likely voters who preferred the incumbent at the time of the survey.

and let p be the fraction of survey respondents who preferred the incumbent.
Using the survey results, the estimated value of p is

Answer 1

`p = (214)/(400) = .535 = 53.5\%`