How Much Money Does the Average Professional Football Fan Spend $19 \pm 3.169 ( 3.25 / \sqrt { 10 } )$

How much money does the average professional football fan spend on food at a single football game? That question was posed to 10 randomly selected football fans. The sample results provided
A sample mean and standard deviation of $19.00 and $3.25, respectively. Use this information to
Construct a 99% confidence interval for the mean.

A) $19 \pm 3.169 ( 3.25 / \sqrt { 10 } )$
B) $19 \pm 3.25 ( 3.25 / \sqrt { 10 } )$
C) $19 \pm 3.106 ( 3.25 / \sqrt { 10 } )$
D) $19 \pm 2.821 ( 3.25 / \sqrt { 10 } )$

Correct Answer:

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