TABLE 8-8
The president of a university would like to estimate the proportion of the student population that owns a personal computer. In a sample of 500 students, 417 own a personal computer.
-Referring to Table 8-8, a 95% confidence interval for the proportion of the student population who own a personal computer is narrower than a 99% confidence interval.

Question

Quizplus · Accepted Answer

This statement is true. As the confidence level increases, the width of the confidence interval increases as well, meaning that a 95% confidence interval is narrower than a 99% confidence interval.

TABLE 8-8 the President of a University Would Like to Estimate the Estimate