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Simple random sampling uses a sample of sizefrom a population of sizeto obtain data that can be used to make inferences about the characteristics of

Simple random sampling uses a sample of sizefrom a population of sizeto obtain data that can be used to make inferences about the characteristics of a population. Suppose that, from a population of45bank accounts, we want to take a random sample of seven accounts in order to learn about the population. How many different random samples of four accounts are possible?

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