Question

12. A survey was conducted by car manufacturing company in a metropolitan city on
1000 persons having monthly income from Rs. 30,001 to Rs. 50000. The data about the number
of persons in various categories is as under.
Monthly income in Rs.)
Number of cars
2 More than 2
30,001 - 40,000
40,001 - 50,000
400
100
50
300
25
125
Find the probability that a person selected at random
(i) in the income slab 40,001 - 50,000 have more than 2 cars.
(ii) in the income slab 30,001 to 50,000 have two cars. ​

Answer 1

A survey was conducted by car manufacturing company in a metropolitan city on

1000 persons having monthly income from Rs. 30,001 to Rs. 50000. The data about the number

of persons in various categories is as under.

Monthly income in Rs.)

Number of cars

2 More than 2

30,001 - 40,000

40,001 - 50,000

400

100

50

300

25

125

Find the probability that a person selected at random

(i) in the income slab 40,001 - 50,000 have more than 2 cars.

(ii) in the income slab 30,001 to 50,000 have two cars. ​

Answer 2

Step-by-step explanation:

(i) - Favourable Outcome

Total Outcome

More than 2 cars-125

total people -1000

so= 125/1000 = 0.125

(ii) -Favourable outcome

Total Outcome

Have 2 cars-50

total people-1000

50/1000=0.05

done

hope it helps you

done it by myself.