Author Question: A high school newspaper wants to know the preponderance of cheating in the school. To do this it ... (Read 17 times)

jessicacav · **on:** Aug 2, 2018

A high school newspaper wants to know the preponderance of cheating in the school. To do this it randomly surveys 100 students by having them fill out an anonymous survey.

From this, the newspaper states that 40 of the students cheat. The school administration decides to check that number by randomly selecting 100 students who are then interviewed by the principal and dean. From this, the administration states that 2 of the students cheat. Which survey is better and why?

Question 2

n = 67 and p = 0.7

A) Normal approximation is not suitable. B) Normal approximation is suitable.

nicoleclaire22 · **Reply #1 on:** Aug 2, 2018

Answer to Question 1

Newspaper survey is better because nobody is going to admit they cheat to the principal and dean.

Answer to Question 2

B