Home
Class 11
MATHS
Ina certain town, 60% of the famillies ...

Ina certain town, 60% of the famillies 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 the this family owns a car or a house but not both ?

A

a) 0.5

B

b) 0.7

C

c) 0.1

D

d) 0.9

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

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

Ina certain town, 40% of the people have brown hair, 25% have brown eyes, and 15% have both brown hair and brown eyes. If a person selected at random from the town has brown hair, the probability that he also has brown eyes is 1//5 b. 3//8 c. 1//3 d. 2//3

In a city 20% of the population travels by car, 50% travels by bus and 10% travels by both car and bus. The persons travelling by car or bus are

A rope of mass 0.2 kg is connected at the same height of two opposite walls. It is allowed to hang under its own weight. At the contact point between the rope and the wall, the rope makes an angle theta=30%^(@) with respect to horizontal. The tension in the rope at its midpoint between the walls is