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the city traffic division is trying to determine whether to install speed bumps in a certain section of town where residents have been complaining about

the city traffic division is trying to determine whether to install speed bumps in a certain section of town where residents have been complaining about speeders. The current speed limit in this section of road 35 mph. The speeds of a random sample of 10 cars driving through this area are: 38 25 47 60 48 52 35 35 52 47. construct a 95% confidence interval for the mean speed of cars

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