the number of students having 4 or more coins as a percentage of the total number of students
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Total no. of unit tests =5
Number of tests in which the student scored more than 70% marks =3
Therefore,
Probability that a student gets more than 70% marks =
Total no. of tests
No. of tests in which the student scored more than 70% marks
=
5
3
=0.6
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