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my required optimal sample sizes 200 however I know that my sampling frame has 50% bad...

my required optimal sample sizes 200 however I know that my sampling frame has 50% bad records further I know they’re only 50% of the people who I reach will qualify for my study otherwise I do not anticipate any other factors hindering my ability to reach my final required sample size what is my total sampling elements
math   Statistics-And-Probability   
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Answer #1

Based on the question, we can see that the response rate is 50%. and out of this 50% are bad records. So, from this argument, it can be said that we obtain only 50% x 50% =25% good record.

So based on this computation we can infer that if we have to sample sizes of 200, then we must survey approximately, = 200/ 0.25 =800. So my required sampling elements will be 800.

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