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Question 50 Question 50 2 pts A researcher wishes to estimate the average blood alcohol concentration (BAC) for drivers involved in fatal accidents who are

Question 50

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Question 50 2 pts A researcher wishes to estimate the average blood alcohol concentration (BAC) for drivers involved in fatal accidents who are found to have positive BAC values. He randomly selects records from 35 such drivers in 2009 and determines the sample mean BAC to be 0.13 g/dL with a standard deviation of 0.21 g/dL. What is the margin of error when calculating a 99% confidence interval for the mean BAC in fatal crashes in which the driver had a positive BAC? Previous Next

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