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In a certain town, 60% of the families o...

In a certain town, 60% of the families own a car, 30% own a house and 20% own both a car and a house. If a family is randomly chosen, what is the probability that this family owns a car or a house but not both ?

A

0.5

B

0.7

C

0.1

D

0.9

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Knowledge Check

  • In a city 20% of the population travels by car, 50% by bus and 10% travels by both car and bus. Then persons travelling by car or bus is-

    A
    `80%`
    B
    `40%`
    C
    `60%`
    D
    `70%`

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