The percentage of marks obtained by a student in the monthly unit tests are given below:
Unit test 1 2 3 4 5
% of marks obtained 69 71 73 68 74
Based on this data find the probability that the student gets more than 70% marks in a unit test.
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Step-by-step explanation:
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 testsNo. of tests in which the student scored more than 70% marks=53=0.6
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