A public relations firm found that only 27% of voters in a certain state are satisfied with their U.S. senators. How large a sample of voters should be drawn so that the sample proportion $\hat { p }$ of voters Who are satisfied with their senators is approximately normally distributed?
A) 38
B) 48
C) 14
D) 10

Question

Quizplus · Accepted Answer

A sample size of at least 30 is generally considered sufficient for the sample proportion to be approximately normally distributed, according to the Central Limit Theorem.

A Public Relations Firm Found That Only 27% of Voters p^\hat { p }p^​

A Public Relations Firm Found That Only 27% of Voters $\hat { p }$