Speed Limits Violation Do Out-Of-State Motorists Violate the Speed Limit

Essay

Speed Limits Violation Do out-of-state motorists violate the speed limit more frequently than in-state motorists? This vital question was addressed by the highway patrol in a large eastern state. A random sample of the speeds of 2,500 randomly selected cars was categorized according to whether the car was registered in the state or in some other state and whether or not the car was violating the speed limit. The data follow. {Speed Limits Violation Narrative} Estimate with 95% confidence the difference in population proportions.