CUET Mathematics - If the probability distribution of a random variable X is given as | x_i | 0 | 1 | 2 | 3 | |---|---|---|---|---| | p_i | 2k^2 | k^2 | 3k^2 | k | Then the mean of X is | PYQs + Solutions

CUET Mathematics 2022 25 May Shift 1

Applied Mathematics

Medium

$\frac{8}{9}$

$\frac{4}{9}$

$\frac{14}{9}$

$\frac{16}{9}$

✅ Correct Option: 4

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In a 100 metre race A beats B by 10 metres and $P(X = x) = \begin{cases} 2k & \text{if } x = 0 \\ kx & \text{if } x = 1 \\ k(x - 1) & \text{if } x = 2 \text{ or } 3 \\ 0 & \text{otherwise} \end{cases}$

The value of k is

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CUET Mathematics 2022 25 May Shift 1 PYQs

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