State Gasoline Taxes A random sample of state gasoline taxes (in cents) is shown here for 12 states. Round sample statisti and final answers to at least two decimal places. 33.3 62.8 58.9 44.9 44.8 61.8 49.8 51.2 47.7 46.2 46.3 58.1 Send data to Excel Part: 0/2 Part 1 of 2 Use the data to estimate the true population mean gasoline tax with 99% confidence. Assume the variable is normally distributed. Part: 1/2 Part 2 of 2 Does the interval contain the national average of 44.7 cents? (Choose one) , the national average of 44.7 cents (Choose one) vin the interval.

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State Gasoline Taxes A random sample of state gasoline taxes (in cents) is shown here for 12 states. Round sample statistics
and final answers to at least two decimal places.
33.3 62.8 58.9 44.9 44.8 61.8
49.8 51.2 47.7 46.2 46.3 58.1
Send data to Excel
Part: 0/2
Part 1 of 2
Use the data to estimate the true population mean gasoline tax with 99% confidence. Assume the variable is normally
distributed
Part: 1/2
Part 2 of 2
Does the interval contain the national average of 44.7 cents?
(Choose one) , the national average of 44.7 cents (Choose one)
v in the interval.
Transcribed Image Text:State Gasoline Taxes A random sample of state gasoline taxes (in cents) is shown here for 12 states. Round sample statistics and final answers to at least two decimal places. 33.3 62.8 58.9 44.9 44.8 61.8 49.8 51.2 47.7 46.2 46.3 58.1 Send data to Excel Part: 0/2 Part 1 of 2 Use the data to estimate the true population mean gasoline tax with 99% confidence. Assume the variable is normally distributed Part: 1/2 Part 2 of 2 Does the interval contain the national average of 44.7 cents? (Choose one) , the national average of 44.7 cents (Choose one) v in the interval.
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