A sample of 30 is to be selected from a lot of 200 articles. How many different samples are possible?
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A sample of 30 is to be selected from a lot of 200 articles. How many different samples are possible?
You have to choose 30 from 200, what does this tell you?
You need to be aware of the rules of the site being that we are not supposed to do the homework of people. If you don't even want help, then it's none of my business.
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