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  3. Survey Methodology
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Random Sample

In this there is a two-step procedure to select a simple random sample of 30 EAI managers. Use this procedure to select a simple random sample of 50 EAI managers.

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Here is one way of selecting a random sample of 30 in Excel. We can use a binomial random variable to select 30 of the managers at random out of the total of 2500. The random variable will return a 1 or a 0 in a certain proportion based on the probability that we enter. Here the probability used is 30/2500 = 0.012 for a value of 1 and 2470/2500 = 0.988 for a ...

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