Question

8. On one page of a telephone directory, there are 200 phone numbers.
The frequency distribution of their unit's digits is given below:
Unit's digit
0
1
2
3
4
5
6
7
8
Frequency
19
22
23
19
21
24
23
18
16
15
One of the numbers is chosen at random from the page. What is the
probability that the unit's digit of the chosen number is (i) 5? (i) 8?
9 The following table shows the blood groups of 40 students of class​

Answer 1

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Explanation:

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