Question

Example 7: The percentage of marks obtained by a student in the monthly unit tests
are given below:
Table 15.9
Unit test
I
II
IV
V
69
71
73
Percentage of
marks obtained
68
74
Based on this data, find the probability that the student gets more than 70% marks in
a unit test.​

Answer 1

Step-by-step explanation:

p(event)=favorable outcomes

number of outcomes

therefore,

P(atleast 70% marks)= 3

5

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