A company selected 2400 families at random and
survey them to determine a relationship between income level and the number
of vehicles in a home. The information gathered is listed in the table below:
Monthly
income (in Rs.) Vehicles per
family
0 1 2 Above 2
Less than 7000
7000-10000
10000-13000
13000-16000
16000 or more 10
0
1
2
1 160
305
535
469
579 25
27
29
29
82 0
2
1
25
88
If a family is chosen, find the probability that
the family is:
(i)
earning Rs.
10000-13000 per month and owning exactly 2 vehicles.
(ii)
earning Rs.
16000 or more per month and owning exactly 1 vehicle
(iii)
Earning less
than Rs. 7000 per month and does not own any vehicle.
(iv)
earning Rs.
13000-16000 per month and owning more than 2 vehicle.
(v)
owning not more
than 1 vehicle.
(vi)
owning at least one
vehicle.
