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Confidence interval for the population mean

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You want to be able to state that the population mean is lower than some value with 95% confidence. What t value would be used to find the 95% one-tailed confidence interval for the population mean when n = 12 and the population is known to be normally distributed? Express your answer with 3 places of decimal. Note that confidence intervals are always assumed to be two-tailed unless, as in this case, otherwise specified.

Reference no: EM132157602

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