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Mathematics, 12.11.2019 20:31 rileybantaos1c8s

Suppose a population consists of four elements, a, b, c, and d. the value of each element is as follows. population element a b c d value 15,000 22,000 25,000 40,000 to examine the confidence interval of the population mean, you select a random sample of size two. suppose you happen to select (c, d) as your sample. calculate the 95% confidence interval.

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