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A dice is thrown 20 times and the outcomes are noted as shown below :

Now a dice is thrown at random, find the probability of getting :

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∵ Total number of outcomes = 20

(i) P (getting 3) = 4/20 = 1/5

(ii) A number less than 3 (1, 2) will appear = 2 + 3 = 5 times

∴ Probability = 5/20 = 1/4

(iii) A number greater than 3(4, 5, 6) will appear = 4 + 3 + 4 = 11 times

∴ Probability = 11/20

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