Question

16. The marks obtained by 90 students of a school in mathematics out of
100 are given as under:
Marks
0-20 20-30 30-40 40-50 50-60 60-70
70 and
above
No. of students
7
8
12
25
19
10
9
From these students, a student is chosen at random.
What is the probability that the chosen student
(i) gets 20% or less marks? (ii) gets 60% or more marks?​

Answer 1

Answer:

Hlo friends

Step-by-step explanation:

hiiiiii...........

Follow me

Answer 2

Step-by-step explanation:

the marks obtained by 90 students of a school in mathematice out of 100 are given as inder