How Much Money Does the Average Professional Football Fan Spend $14 \pm 1.833 ( 2.50 / \sqrt { 10 } )$

question 130

Multiple Choice

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 asample mean and standard deviation of $14.00 and $2.50, respectively. Use this information to construct a 90% confidence interval for the mean.

• A) \(14 \pm 1.833 ( 2.50 / \sqrt { 10 } )\)
• B) \(14 \pm 1.383 ( 2.50 / \sqrt { 10 } )\)
• C) \(14 \pm 1.796 ( 2.50 / \sqrt { 10 } )\)
• D) \(14 \pm 1.812 ( 2.50 / \sqrt { 10 } )\)

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