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Applied Mathematics · 2026 · 2 marks
CBSE 2026 · Central · Set 4 · Q23
(a) For a Poisson distribution, if mean ( m )=1, then find P ( r =1).
(a)
For a Poisson distribution, if mean $\displaystyle (\mathrm{m})=1$, then find $\displaystyle \mathrm{P}(\mathrm{r}=1)$.
OR
(b)
Find the mean and standard deviation of the Binomial distribution $\displaystyle \mathrm{B}\left(4, \frac{1}{3}\right)$.
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CBSE Class 12 Applied Mathematics past-paper question from the 2026 board exam. Where our answers come from.