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Suppose that a researcher who is interested in estimating the mean level of some enzyme in a certain population, takes a sample of 10 individuals,

Suppose that a researcher who is interested in estimating the mean level of some enzyme in a certain population, takes a sample of 10 individuals, determines the level of the enzyme in each, and obtains = 22. Suppose you also know that the variable of interest has a normal distribution with variance = 45. Then the 95% confidence interval for is:

OPTIONS

22 46,248

22 4,798

22 32,188

22 26,084

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