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Question 4 23 points At a Junk Yard a study was conducted using 48 cars and found that the average mileage on a car before

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Question 4 23 points At a Junk Yard a study was conducted using 48 cars and found that the average mileage on a car before it was junked was 164 000 and the population standard deviation is known to be approximately 28 000 Construct a 99 confidence interval of what the actual average mileage is for a car before it is junked O 136000 192000 O 4 157352 170648 156079 171921

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