which of the following is not the probability value (0.8, 3/4 ,20% ,8/7)
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8/7 is definitely not a probability value. We know that,
Probability = Number of favourable outcomes ÷ Number of all possible outcomes
The number of favourable outcomes can never be more than the number of all possible outcomes. Hence, 8/7 is not a probability value.
More information:-
Consciously or unconsciously, all of us sometime use the phrases like : 'most likely', 'almost uncertain', 'most probably', etc. If we read these phrases carefully, we will find that all of them involve an element of uncertainty. The measure of uncertainty is called the theory of probability.
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