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Refer to Table 14.7 Chapter 14, Find the probability that a student obtained less than 20 in the mathematics test marks 60 or above

6. Refer to Table 14.7, Chapter 14.

(ii) Find the probability that a student obtained marks 60 or above.

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From the above question, the data of our interest is:

Total no. of students =90 

Total no. of students who obtained marks 60 or above = 15+8 =23

P(a student obtains marks 60 or above) = 23/90 

Ans: 23/90 

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