Please explain how to do this! 1. Suppose we have the results of a Norman Transc

Question

Please explain how to do this!

1. Suppose we have the results of a Norman Transcript survey which asks participants opinions regarding their attitudes toward OU.

Based on 400 interviews, the Transcript reports that 7% of Norman citizens can't stand the University.

How should the transcript report the results?

Question options:

We can be 95% confident that the percent of Norman Citizens who can't stand OU is 5% +/- 7%.

We can be 95% confident that the percent of Norman Citizens who can't stand OU is 7% +/- 7%.

We can be 95% confident that the percent of Norman Citizens who can't stand OU is 5% +/- 5%.

We can be 95% confident that the percent of Norman Citizens who can't stand OU is 7% +/- 5%.

We can be 95% confident that the percent of Norman Citizens who can't stand OU is 5% +/- 7%.

We can be 95% confident that the percent of Norman Citizens who can't stand OU is 7% +/- 7%.

We can be 95% confident that the percent of Norman Citizens who can't stand OU is 5% +/- 5%.

We can be 95% confident that the percent of Norman Citizens who can't stand OU is 7% +/- 5%.

Explanation / Answer

Note that our point estimate is the result of the survey, 7%.

Now, the margin of error is 5%.

Thus, as the confidence interval is of the form

p^ +/- E

Then it is

7% +/- 5%. [ANSWER, D]

We can be 95% confident that the percent of Norman Citizens who can't stand OU is 7% +/- 5%.   [ANSWER, D]

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