TABLE 8-10
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 8-10, a 90% confidence interval calculated from the same data would be narrower than a 99% confidence interval.

Question

Quizplus · Accepted Answer

A higher confidence level leads to a wider interval as it allows for more uncertainty and variation in the sample. Therefore, a 90% confidence interval would be narrower than a 99% confidence interval.

TABLE 8-10 the President of a University Would Like to Estimate the Estimate