TABLE 8-14
The president of a university is concerned that the percentage of students who have cheated on an exam is higher than the 1% acceptable level. A confidential random sample of 1000 students from a population of 7000 revealed that 6 of them said that they had cheated on an exam during the last semester.
-Referring to Table 8-14, using on the 90% one-sided confidence interval, the president can be 95% confident that no more than 1% of the students at the university had cheated on an exam during the last semester.

Question

Quizplus · Accepted Answer

Table 8-14 provides critical values for two-sided confidence intervals, not one-sided. Therefore, the information provided cannot be used to determine a one-sided confidence interval, and we cannot determine whether the president can be confident that no more than 1% of students cheated on the exam during the last semester.

TABLE 8-14 The President of a University Is Concerned That the Percentage