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Thread: How do you calculate the sample size necessary for a probabilty x given the mean and the variance?

  1. #1 How do you calculate the sample size necessary for a probabilty x given the mean and the variance? 
    Forum Freshman
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    any equation or formula?


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  3. #2  
    Forum Ph.D.
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    For a binomial distribution with mean p (0<p<1), σ=p(1-p)/n, where n is the sample size. You can use this as an approximation to what you are looking for.


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