Solve the following problems:
Q: A. If we select one person at random, what is the probability that person drives a Toyota Sienna?
B. If we select one person at random, what is the probability that person is in the lower or upper class?
C. If we select a person at random, what is the probability that person is in the upper class or drives a Dodge Grand Caravan?
D. If we select two people at random, what is the probability that both of them drive a Toyota Sienna and are from the middle class?
|
Vehicle type
|
Lower Class
|
Middle Class
|
Upper Class
|
Total
|
|
Toyota Sienna
|
3
|
53
|
71
|
127
|
|
Honda Odyssey
|
2
|
34
|
77
|
113
|
|
Dodge Grand Caravan
|
62
|
11
|
7
|
80
|
|
Total
|
67
|
98
|
155
|
320
|