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Real Numbers

Question
CBSEENMA10009330
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A die is thrown once. Find the probability of getting number less than 5.

Solution

When a die is thrown once, then possible outcome(s) are 6
i.e.,    n(S) = 6
Let ‘A’ be the favourable outcomes of getting a number greater than 5. Then A = (6) i.e.,    n(A) = 1
Therefore,


rightwards double arrow space space space straight P left parenthesis straight A right parenthesis space equals space fraction numerator straight n left parenthesis straight A right parenthesis over denominator straight n left parenthesis straight S right parenthesis end fraction equals 1 over 6.

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