Question

2. The following is the distribution of marks of 50 students in a certain class test.
Marks
10
20
30
40
50
60
70
Number of students
3
9
6
10
7
6
9
Find the probability that a student scores
i. more than 30 marks and ii. less than 40 marks.
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Answer 1

Answer:

firstly mark brainlist plz

then I will answer

Step-by-step explanation:

1. .....l...U......