Use the Following Information for Questions

Use the following information for questions:
Olivia wants to learn a foreign language. To get an idea of how satisfied other students were after taking a foreign language course, she decides to take a random sample of 20 students.
-If Olivia randomly selects 20 students among all students taking a foreign language class that year, the sampling method is a

A) simple random sample.
B) stratified random sample.
C) cluster sample.
D) systematic sample.

Correct Answer:

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