How many simple random samples of size 3 can be selected from a population of size 7?
A)7
B)21
C)35
D)343

Name: How many simple random samples of size 3 can be selected from a population of size 7? A)7 B)21 C)35 D)343
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Question

Quizplus · Accepted Answer

The formula for calculating the number of simple random samples of size r that can be selected from a population of size n is nCr, where n is the population size and r is the sample size. Using this formula, we get 7C3 = 35, so the answer is C.

How Many Simple Random Samples of Size 3 Can Be