A survey was conducted by car manufacturing company in a metropolitan city on 1000 persons having monthly income from Rs. 30,001 to Rs. 50,000. The data about the number of persons in various categories is as under:
Monthly income | Number of Cars | ||
(in rupees) | 1 | 2 | More than 2 |
30,001−40,000 | 400 | 50 | 25 |
40,001−50,000 | 100 | 300 | 125 |