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Questions  >>  CBSE XI  >>  Math  >>  Probability
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Q)

If the probabilities for A to fail in an examination is 0.2 and that for B is 0.3.Then the probability that either A or B fails is

$\begin{array}{1 1}(A)\; > .5\\(B)\;.5\\(C)\;\leq .5\\(D)\;0\end{array} $

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