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when a random sample of size 20 is selected from the population distibution Exp(A), explain how you can create a 95% confidence iterval for

when a random sample of size 20 is selected from the population distibution Exp(A), explain how you can create a 95% confidence iterval for A using the fact 2(x1 + x2+ ... + x20 is chi square distributed with df = 40

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Inferential testing uses the sample mean x to estimate the population mean Typically we use the data from a single sample but there are many possible samples of the same size that could be drawn from ... blur-text-image

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