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Mathematics, 18.08.2020 14:01 zayboogey04
A sample of 100 consumers shows that the average amount spent annually on a debit card is $8000. And assume that the population standard deviation of debit card expenditure is $500. Construct a 95% confidence interval of the population mean amount spent annually on a debit card.
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A sample of 100 consumers shows that the average amount spent annually on a debit card is $8000. And...
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