Instruction 8-17
The principal of a high school of a small suburb wants to make sure that no more than 5% of the students skip more than 10 days of school in a year. A random sample of 145 students from a population of 800 showed that 12 students skipped more than 10 days of school last year.
-Referring to Instruction 8-17,the principle can conclude with 95% level of confidence that no more than 5% of the students in the high school skipped more than 10 days of school last year.

Question

Quizplus · Accepted Answer

The proportion of students in the sample who skipped more than 10 days is 12/145, which is approximately 8.28%, exceeding the 5% threshold the principal set.

Instruction 8-17 The Principal of a High School of a Small Suburb