Multiple Choice
The average speed cars travel on a road is 77 km/h.A car travelling 60 km/h has a z-score of -1.7.Find the standard deviation.
A) 40 km/h
B) 10 km/h
C) 30 km/h
D) 0.5 km/h
E) 1 km/h
Correct Answer:
Verified
Correct Answer:
Verified
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