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Mathematics, 04.10.2021 05:10 noslengerman

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Question 1
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Assume that a sample is used to estimate the life expectancy for males in a certain county. Find the
80% confidence interval for a sample size 57 with a mean of 58.5 years and a standard deviation
of 13.8 years. Enter your answer as an open-interval (i. e., parentheses) accurate to one decimal
place (because the sample statistics are reported accurate to one decimal place).
8096 C. I. =
Answer should be obtained without any preliminary rounding.
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Assume that a sample is used to estima...
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