How Much Money Does the Average Professional Football Fan Spend $70 \pm 1.645 \left( \frac { 17.50 } { \sqrt { 60 } } \right)$

question 93

Short Answer

How much money does the average professional football fan spend on food at a single football game? That question was posed to 60 randomly selected football fans. The sampled results show that the sample mean was $70.00 and prior sampling indicated that the population standard deviation was $17.50. Use this information to create a 95 percent confidence interval for the population mean. A) $70 \pm 1.645 \left( \frac { 17.50 } { \sqrt { 60 } } \right)$

B) $70 \pm 1.960 \left( \frac { 17.50 } { \sqrt { 60 } } \right)$

C) $70 \pm 1.833 \left( \frac { 17.50 } { \sqrt { 60 } } \right)$

D) $70 \pm 1.671 \left( \frac { 17.50 } { \sqrt { 60 } } \right)$

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