Question

On one page of a telephone directory, there
are 150 phone numbers. The frequency
distribution of their units digit is given below...
Unit digit Frequency
0. 10
1. 20
2. 15
3. 10
4. 20
5. 20
6. 10
7. 15
8. 15
9. 15

One of the numbers is chosen at
random from the page. What is the
probability that the units digit of the chosen
number is
(i) less than 3?
(ii) greater than 8?
Class 9
Sample Paper
Question​

Answer 1

Answer:

1) 3/ 10

2)1/10

Step-by-step explanation:

Answer 2

Answer:

(1) option (a)

Number of trial / total number

45 / 150 = 3/10

(2) option (a) 1/10