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[Multiple Choice Question] Suppose that 15% of the families in a certain community have no car, 20% have 1 car, 35% have 2,vand 30% have
[Multiple Choice Question]
Suppose that 15% of the families in a certain community have no car, 20% have 1 car, 35% have 2,vand 30% have 3. Suppose, further, that in each family, each car is equally likely (independently) to be a foreignor a domestic car. Let F be the number of foreign cars and D the number of domestic cars in a family.
The joint probability that the number of foreign cars in a family is 1 and the number of domestic cars is 2 is:
a. 0.15
b. 0.1
c. 0.0375
d. 0.6
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