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Mathematics, 08.10.2019 17:30 loveb1409

Ascientist has a hypothesis that as the number of police cars is increased on a roadway, the proportion of cars speeding decreases. he finds that at police car level x1 (one police car per 100 miles), the proportion of cars speeding is p hat equals 0.83. at police car level x2 (one police car per 50 miles), the proportion of cars speeding is p hat equals 0.61. at police car level x3 (one police car per 25 miles), the proportion of cars speeding is p hat equals 0.39. should the hypothesis be rejected or should it fail to be rejected?

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