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The mean monthly expenditure on gasoline by commuting students to UNT is estimated by selecting a random sample of 36 commuting students. The sample mean

The mean monthly expenditure on gasoline by commuting students to UNT is estimated by selecting a random sample of 36 commuting students. The sample mean is $68 and the sample standard deviation is $17. What will the Upper Limit of the 95% Confidence Interval be?

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$66.50

$84.11

$85.00

$73.75

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