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Answer:
4686825
Step-by-step explanation:
Given : Researchers plan to use a simple random sample of 9 subjects selected from a pool of 27 available subjects.
To Find : How many different simple random samples are possible?
Solution:
Total subjects = 27
No. of subjects should be in sample = 9
So, to find How many different simple random samples are possible?
So, we will use combination
n = 27
r = 9
Substitute the values
Hence 4686825 different simple random samples are possible