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, we are 99% confident that between 79.11% and 87.69% of the student population own a personal computer.

Question

Quizplus · Accepted Answer

According to Table 8-10, with a sample size of 500 and 417 owning a personal computer, the estimated proportion is 83.4%. With a 99% confidence level, the margin of error is 4.29%. Therefore, the confidence interval is (83.4% - 4.29%, 83.4% + 4.29%) which simplifies to (79.11%, 87.69%). Therefore, the statement is true.

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