The Names of All 65 Students in a Professor's Class

Multiple Choice

The names of all 65 students in a professor's class are written on identical slips of paper, and the slips are placed into a large glass jar. Then, the professor selects 6 random slips
From the jar. Identify the kind of sample that is being used.

A) sample of convenience
B) systematic sample
C) cluster sample
D) simple random sample