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09-11-2022
Mathematics

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If 4,000 individuals 18- to 29-years-old are randomly sampled, what is the expected number of 18- to 29-year-olds who invest in the stock market in this sample? what is the standard deviation of the number of 18- to 29-year-olds who invest in the stock market? (round your answers to two decimal places.) e(x)

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