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Math Help - Simple random sample

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    Simple random sample

    A simple random sample of size n = 50 is taken from a population of size n = 8000. What is the probability that any given unit is selected to be in the sample?


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    Quote Originally Posted by rologolfer View Post
    A simple random sample of size n = 50 is taken from a population of size n = 8000. What is the probability that any given unit is selected to be in the sample?


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    \frac{{1 \choose 1} \cdot {7999 \choose 49}}{{8000 \choose 50}}
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