Question

A randomly selected sample of 500 college students was asked whether they had ever used the drug Ecstasy. Sixteen percent (16% or 0.16) of the 500 students surveyed said they had. Which one of the following statements about the number 0.16 is correct?

A - It is a population proportion.

B - It is a margin of error.

C - It is a sample proportion.

D - It is a randomly chosen number.

Answer 1

C - It is a sample proportion.

Explanation:

In this problem, we have that 0.16 of the STUDENTS SURVEYED have ever used ecstasy. So 0.16 is the sample proportion.

The population proportion would be the percentage of all college students that have ever used Ecstasy.

The correct answer is:

C - It is a sample proportion.