is a survey, regar
Based on the survey results, the company provides a confidence interval
estimate of 40% to 70% for customer satisfaction. If the company wishes to
construct a confidence interval that more accurately represents the
proportion of customer satisfaction, how should the design be altered?
Select all that apply.
A. Use a large sample size.
B. Use a larger confidence level.
C. Use a smaller sample size.
D. Use a smaller confidence level.