Elance Exams Answers PDF file

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An auto analyst is conducting a satisfaction survey, sampling from a list of 10,000 new car buyers. The list includes 2,500 Ford buyers, 2,500 GM buyers, 2,500 Honda buyers, and 2,500 Toyota buyers. The analyst selects a sample of 400 car buyers, by randomly sampling 100 buyers of each brand. Is this an example of a simple random sample?

Yes, because each buyer in the sample had an equal chance of being sampled.
Yes, because car buyers of every brand were equally represented in the sample.
Yes, because each buyer in the sample was randomly sampled.
No, because every possible 400-buyer sample did not have an equal chance of being chosen.
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