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

question 70

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 20% of the speeds?

• A)about 84.7 km/h,about 69.3 km/h
• B)about 86.1 km/h,about 67.9 km/h
• C)about 61.6 km/h,about 92.4 km/h
• D)about 95.2 km/h,about 58.8 km/h
• E)about 74.7 km/h,about 79.3 km/h

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