Research on public opinion polls show that subtle differences in the way questions are worded make the public suspicious of the pollsters' motives do not influence survey results. can have a small influence on survey results. can have a large influence on survey results.

C. Can have a large influence on survey results.

Explanation:

Several public opinion polls conducted in America have shown that subtle differences in the way questions are worded can largely influence the results of the survey.

An example, was a public opinion poll on free speech conducted in the year 1970. Different wordings of the questions asked, produced remarkable differences in the response from respondents.

This challenge can be overcome by asking the questions in a rotational manner, or dividing the questions into two parts. Respondents are divided into two groups who are administered the questions respectively.

answer; i believe the correct answer is (treasury bills);

there's 11 people for the 1st position. then, no matter who gets it, there's only 10 left for the second, and then 9 left for the third. 11 x 10 x 9 = 990.   the answer is there are 990 different ways the positions can be filled by these applicants