(Use the Following Information for the Next Four Questions

Multiple Choice

(Use the following information for the next four questions.)
A large clothing manufacturer plans to introduce a new line of sports clothes for women if preliminary market research shows that at least 50% of the population are favorably impressed by the new line. Five hundred women were surveyed; 265 of the women were favorably impressed. The research manager wants to test the hypothesis at the .05 significance level. The z-value associated with this significance level is 1.645.
-What is the standard error of the proportion?

A) 0.0005
B) 0.0224
C) 0.0307
D) 0.0326
E) more information is needed