Question #169947

How many possible sample sizes of 4 can be drawn from a population of size 10?

 


1
Expert's answer
2021-03-09T07:03:43-0500

Cnk=(kn)=n!k!(n−k)!n=10, k=410!4!(10−4)!=210C^k_n=(^n_k)=\frac{n!}{k!(n-k)!}\\n=10, \ k=4\\\frac{10!}{4!(10-4)!}=210

Answer: 210.


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