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The percentage of marks obtained by a st...

The percentage of marks obtained by a student in the monthly unit tests are given below :
`{:("Unit test",I,II,III,IV,V),("Percentage of ",69,71,73,68,74),("mark obtained",,,,,):}`
Based on this data, find the probability that the student gets more than 70% marks in a unit test.

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The correct Answer is:
`0.6`
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