Question

A university department administers a survey, regarding student satisfaction.

Based on the survey results, the department provides a confidence interval
estimate of 60% to 80% for student satisfaction. If the department wishes to
construct a confidence interval that more accurately represents the
proportion of student satisfaction, how should the design be altered?
Select all that apply.
A. Use a smaller confidence level.
B. Use a larger sample size.
C. Use a larger confidence level.
D. Use a smaller sample size.

Answer 1

B. use a larger sample size

Explanation:

the bigger the sample size, the more accurate the results are in stats.