How Much Money Does the Average Professional Hockey Fan Spend $x \pm t / \alpha / 2 ( \mathrm {~s} / \sqrt { n } )$

question 62

Multiple Choice

How much money does the average professional hockey fan spend on food at a single hockey game? Thatquestion was posed to 10 randomly selected hockey fans. The sampled results show that sample mean andstandard deviation were $19.00 and $2.6, respectively. Use this information to create a 95% confidence interval for the mean. Express the answer in the form $x \pm t / \alpha / 2 ( \mathrm {~s} / \sqrt { n } )$ .

• A) \(19 \pm 2.262 ( 2.6 / \sqrt { 10 } )\)
• B) \(19 \pm 2.228 ( 2.6 / \sqrt { 10 } )\)
• C) \(19 \pm 2.201 ( 2.6 / \sqrt { 10 } )\)
• D) \(19 \pm 1.833 ( 2.6 / \sqrt { 10 } )\)

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A virus that attacks the immune system, leading to AIDS if not treated, and is transmitted through certain body fluids like blood and semen.

Prevalence

The proportion of a population found to have a particular condition at a specific time.