In a harris poll adults were asked if they are in favor of a

In a harris poll, adults were asked if they are in favor of abolishing the penny. Among the responses, 1251 answered “no,” 462 answered “yes,” and 377 had no opinion. What is the sample proportion of yes responses, and what notation is used to represent it?

Solution

The sample proportion of yes responses is:

p hat=377/1251

=0.30