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What is the probability of a sure event?(a) 0(b) 1(c) 1/2(d) 1/4The question was asked in final exam.This interesting question is from Probability in chapter Probability of Mathematics – Class 11

Answer»

Right option is (B) 1

Explanation: Sure EVENT has all OUTCOMES in FAVOUR i.e. number of outcomes in favour equal to the total number of possible outcomes.

And PROBABILITY is ratio of number of outcomes in favour to the total number of possible outcomes.

So, probability of sure event will be 1.



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