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After Increased Patrol,33% of Vehicles on a Road Travel Below

Question 85

Multiple Choice

After increased patrol,33% of vehicles on a road travel below 45 km/h with a standard deviation of 5.1 km/h.Assuming a Normal model is appropriate,find the mean speed.


A) 1.68 km/h
B) 47.24 km/h
C) -42.76 km/h
D) 50.1 km/h
E) 14..85 km/h

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