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Find a 90% confidence interval for a population mean μ for these values. (Round your answers...

Find a 90% confidence interval for a population mean μ for these values. (Round your answers to three decimal places.)

(a)n = 130, x = 0.82, s2 = 0.085

______ to _______

(b)n = 40, x = 22.7, s2 = 3.19

_______ to _______

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