Suppose 100 people counted the number of cars passing an intersection in one hour. Due to error, not all people get the same value. The mean is 75 and the standard deviation is 1. Use the sketch to find how many people report the following. 
More than 1 car away from the mean
A. 68 people
B. 34 people
C. 16 people
D. 32 people
Answer: D
Mathematics
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