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A Dot Plot of the Speeds of a Sample of 50

Question 171

Multiple Choice

A dot plot of the speeds of a sample of 50 cars passing a policeman with a radar gun is shown below. A dot plot of the speeds of a sample of 50 cars passing a policeman with a radar gun is shown below. What proportion of the motorists were driving above the posted speed limit of 55 miles per hour? A) 0.14 B) 7 C) 0.50 D) 0.64 What proportion of the motorists were driving above the posted speed limit of 55 miles per hour?


A) 0.14
B) 7
C) 0.50
D) 0.64

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