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Mathematics, 02.11.2019 05:31, lizzyhearts
Asurvey of 80 randomly selected companies asked them to report the annual income of their presidents. assuming that incomes are normally distributed with a standard deviation of $30,000, determine the 90% confidence interval estimate of the mean annual income of all company presidents. interpret the statistical results.
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Answers: 2
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Asurvey of 80 randomly selected companies asked them to report the annual income of their presidents...
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