A company selected 4000 households at random and surveyed them to find out a relationship between income level and the number of AC sets in their home. The information so obtained, is shown here.

Find the probability of households :
(a) earning Rs (15000-19999) per month and having more than one AC.
(b) earning Rs 25000 and more per month and having exactly one AC.
( c) not having any AC.

Options

A. `a=1/8, b=11/40, c=1/200`
B. `a=3/80, b=17/40, c=3/400`
C. `a=1/8, b=17/40, c=1/200`
D. `a=3/80, b=11/40, c=3/400`

Answer

D