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QUESTION 9 Exhibit 2 A random sample of 81 automobiles traveling on a section of an interstate showed an average speed of 60 mph. The distribution of speeds of all cars on this section of highway is normally distributed, with a standard deviation of 13.5 mph Refer to Exhibit 2. If we are interested in determining an interval estimate for at 99% confidence, the margin of error is
QUESTION 9 Exhibit 2 A random sample of 81 automobiles traveling on a section of an interstate showed an average speed of 60 mph. The distribution of speeds of all cars on this section of highway is normally distributed, with a standard deviation of 13.5 mph Refer to Exhibit 2. If we are interested in determining an interval estimate for at 99% confidence, the margin of error is
abdullahshahLv3
14 May 2023
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