All of the Following Are True of Public Opinion Polls $\bold{except}$

All of the following are true of public opinion polls $\bold{except}$

A) poll results are not equally good or equally believable.
B) knowing what makes a poll accurate is not as important as the results of the poll.
C) polls based on scientific or random samples are the most valid.
D) polls that consist of shopping mall interviews may produce inaccurate results.
E) well-designed polls based on probability samples may result in ninety-five percent accuracy.