Not everyone pays the same price for the same model of a car. The figure illustrate
a normal distribution for the prices paid for a particular model of a new car. The mean is
$21,000 and the standard deviation is $2000. Use the 68-95-99.7 rule to find the percentage of
buyers who paid less than $15,000.
Number of Car Buyers
15 17 19
-99.7%-
-95%-
-68%-
23
25
Price of a Model of a New Car (Thousands)
The percentage of buyers who paid less than
$15,000 is
%.