Question

30. The daily cost of milk (in Rs.) supplied to 25 houses in a locality are given below:
Cost(in Rs.)
Number of houses
40-50
50-60
60-70
70-80
80-90
90-100
6
If one house is chosen at random, find the probability that:
(i) the milk bill of the house lies between Rs. 60 and Rs. 80.
(ii) house is paying at the most Rs. 69. for the milk bill.
(iii) the milk bill of the house is below Rs. 50.​

Answer 1

Answer:

Refer to the attachment

Answer 2

Answer:

7 The daily cost of milk (in Rs) supplied to 25 houses in a locality are given below :

If one house is chosen at random, find the probability that ;

(a) the milk bill of the house lies between Rs 60 and Rs 80.

(b) house is paying at the most Rs 69, for the milk bill.

(c) the milk bill of the house is below Rs 50.