The table given below shows the marks out by 30 students in a test . Out of these students , one is chosen at random . What is the probability that the marks of the chosen student ? (i) are 30 or less (ii) are 31 or more ? (iii) lie in the interval 21-30 ?

The table given below shows the marks out by 30 students in a test .

1.	The table given below shows the marks out by 30 students in a test . Out of these students , one is chosen at random . What is the probability that the marks of the chosen student ? (i) are 30 or less (ii) are 31 or more ? (iii) lie in the interval 21-30 ?
Answer» Correct Answer - (i) `(23)/(30) (ii) (7)/(30) (iii) (1)/(5)`

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The table given below shows the marks out by 30 students in a test . Out of these students , one is chosen at random . What is the probability that the marks of the chosen student ? (i) are 30 or less (ii) are 31 or more ? (iii) lie in the interval 21-30 ?

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