Question

Marks obtained by students of class IX in
Mathematics are given in the table : IT-II (2011)
Marks Number of students
0 - 20
20 - 40
40 - 60
60 - 80
80 - 100
8
12
30
30
10
(i) Find the probability that a student gets less
than 40% in a test.
(ii) Find the probability that a student gets
more than 80%.

Answer 1

Answer:

all

Step-by-step explanation:

hridoyer clumsily kalita cm