Question

8. The percentage of marks obtained by a student in the monthly unit tests are given
below:
Unit Test
1
% of marks obtained
58
74
76
62
85
i. The probability that the student gets at least 60% marks is:
a) 0.8
b) 0.6
c) 0.4
d) 0.2
11. The probability that the student gets less than 65% marks is:
a) 0.6
b) O
c) 0.4
d) 0.2
iii. The probability that the student gets marks between 50% to 60% is:
a) 0.2
b) 0.4
c) 0.3
d) 0.8
iv. The probability that the student gets more than 90% marks is:
a) 0.4
b) 0.8
c) 0
d) 0.3​

Answer 1

Answer:

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