Based on the Normal Model for Car Speeds (In Km/h)on

question 51

Multiple Choice

Based on the Normal model for car speeds (in km/h) on a road N(77,9.1) ,what are the cutoff values for the middle 70% of the speeds?

• A)about 60.2 km/h,about 93.7 km/h
• B)about 70.2 km/h,about 83.1 km/h
• C)about 67.5 km/h,about 86.5 km/h
• D)about 23.1 km/h,about 130.9 km/h
• E)about 50.1 km/h,about 103.9 km/h

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