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Find the Confidence Interval Specified σ\sigma = 46, Find a 95% Confidence Interval for the True Mean

Question 9

Multiple Choice

Find the confidence interval specified.
-30 people are selected randomly from a certain town. If their mean age is 60.5 and σ\sigma = 4.6, find a 95% confidence interval for the true mean age, μ\mu of everyone in the town.


A) 59.42 to 61.58
B) 58.85 to 62.15
C) 58.28 to 62.72
D) 58.86 to 62.14

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