This Question: 1 pt I3 of 15(0complete) This Quiz: 15 pts possible Question Help

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This Question: 1 pt I3 of 15(0complete) This Quiz: 15 pts possible Question Help * Many drivers of cars that can run on regular gas actually buy premium in the beliel that they will get better gas mileage. To test that belief, 10 cars in a company fleet were used. All the cars run on regular gas. Each car was flled first with eilther regular or premium gasoline, decided by a coin toss. The mileage for that tank of gas was recorded. Then the car was filled with the other type of gasoline and the mileage for that tank of gas was recorded. The difference in gas mileage between the two types of gasoline (premium-regular) for te 10 following is the correct interpretation of this confidence interval? cars was recorded A 95% confidence interval was constructed using te pared-methods: (0.535) mpg. Which of the Choose the correct answer below we are 95% sure that 95% of the cars running on premium gas get between 0.5 and 3.5 mles per galon more than 95% of the as rur ning on regular gas, on average d A. B. Weare 95% confident that average increase in gas mileage when using preturn rather ran negar gas s between 0.5 and 3.5 miles gallon. OC. We are 95% sure cars running on premium gas will get between 0.5 and 35 mles per galon more tan on nning on reguar gas. OD. The average car gets between 0.5 and 3.5 mies more on a galion of premam gastan regular gas 95% ofthe time. OE Wo are 95% confident that average increase in gas m leage when using reglar rater tan premum gas s between 0.5 and 3.5 miles per galon. Click to select your answer 8 go 1 F2 FS F2 10

Explanation / Answer

a) Option-B

b) Option-C

  

  

  

  

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