Question

in a harris poll adults were asked if they are in favor abolishing the penny . Among the responses, 1243 answeered no 481 answered yes and 351 had no opinion. what is the sample proportion of yes responses, and what notation is used to represent it?

Answer 1

Given that 481 out 0f 1,243 respondents answered 'yes', the sample proportion is given by:

$\hat{p}= \frac{481}{1243} \approx0.39$

The notation used for the sample proportion is $\hat{p}$.