CUET Mathematics - A box contains 8 red and 2 white balls. If three balls are drawn, one by one, at random without replacement, then the variance of the number of white balls drawn is: | PYQs + Solutions | AfterBoards

CUET Mathematics 2026 30th May Shift 1 PYQs

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CUET Mathematics 2026 30th May Shift 1

Applied Mathematics

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Hard

applied

$\frac{28}{75}$

$\frac{21}{75}$

$\frac{37}{75}$

$\frac{15}{28}$

✅ Correct Option: 1

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30 May Shift 3

The probability distribution of a random variable X is given below :

X	0	1	2	3	4
P(X)	0.1	0.25	0.3	0.2	0.15

Then, $\text{Var}\left(\frac{X}{2}\right)$ is :

25th May Shift 1

If a random variable X follows poisson's distribution such that $P(X=2) = 9P(X=4) + 90P(X=6)$ , then the mean of X is

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In a single throw of a die, if X denotes the number on its upper face, then the mean of X is,

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