Multiple Choice
Based on the Normal model for car speeds (in km/h) on a road N(77,9.1) ,what is the cutoff value for the lowest 30% of the speeds?
A) about 60.9 km/h
B) about 23.1 km/h
C) about 53.9 km/h
D) about 72.3 km/h
E) about 81.7 km/h
Correct Answer:
Verified
Correct Answer:
Verified
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