The percentage of marks obtained by a student in the monthly unit tests are given below: `U n i t\ t e s t :` `I` `I I` `I I I` `I V` `V` `P e r c e n t ag e\ of\ m a r k s\ ob t a i n e d :` `58` `74` `76` `62` `85` Find the probability that the student gets: a first class i.e. at least 60% marks marks between 70% and 80% a distinction i.e. 75% or above less than 65% marks.

Explanation

To solve the problem step by step, we will analyze the data provided and calculate the required probabilities.

### Given Data:
- Unit Tests: I, II, III, IV, V
- Percentage of Marks Obtained: 58, 74, 76, 62, 85

### Total Number of Tests:
The total number of tests conducted is 5.
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