CBSE 2023 · Region 3 · Set 3 · Q5 · 1 mark
X and Y are independent events such that $\displaystyle \mathrm{P}(\mathrm{X} \cap \overline{\mathrm{Y}})=\frac{2}{5}$ and $\displaystyle \mathrm{P}(\mathrm{X})=\frac{3}{5}$. Then $\displaystyle \mathrm{P}(\mathrm{Y})$ is equal to :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle \frac{1}{3}$
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CBSE Class 12 Mathematics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.