(Answered) Travel and transportation the department of public works in

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Travel and Transportation The Department of Public Works in Bismarck, North Dakota, would like to estimate the number of potholes per mile (after a long, snowy winter). Each selected mile-long stretch will be thoroughly examined for potholes, and the number in each section will be recorded.

a. Describe a method for obtaining a simple random sample of mile-long road segments.

b. Is this an observational or experimental study?

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