As reported by the Motor Vehicle Manufacturers Association of the United States in Motor Vehicle Facts and Figures, the number of cars and trucks in use by age are as shown in the following contingency table. Frequencies are in millions.
a. How many cells does this contingency table have?
b. Fill in the missing entries.
c. What is the total number of cars and trucks in use?
d. How many vehicles are trucks?
e. How many vehicles are between 6 and 8 years old?
f. How many vehicles are trucks that are between 9 and 11 years old?

  • CreatedAugust 13, 2015
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