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Mathematics · 2023 · 1 mark
CBSE 2023 · Region 4 · Set 2 · Q16
For two events A and B, if P ( A )=0 · 4, P ( B )=0 · 8 and P ( B / A )=0 · 6, then P ( A ∪ B ) is:
For two events A and B , if $\displaystyle \mathrm{P}(\mathrm{A})=0 \cdot 4, \mathrm{P}(\mathrm{B})=0 \cdot 8$ and $\displaystyle \mathrm{P}(\mathrm{B} / \mathrm{A})=0 \cdot 6$, then $\displaystyle \mathrm{P}(\mathrm{A} \cup \mathrm{B})$ is :
Official answer
(D)
$\displaystyle 0 \cdot 96$
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CBSE Class 12 Mathematics past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.