Consider a population of size N = 9. How many different random samples of size n = 6 are possible from a population of N = 9?
We have population size N=9 and sample size n=6.
The number of possible samples which can be drawn without replacement is NCn=9C6=84.^{N}C_n=^{9}C_6=84.NCn=9C6=84.
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