CUET Mathematics - In a meeting, 70% of the members favour and 30% oppose a certain proposal. A member is selected at random and we take X = 0 if he opposed, and X = 1 if he is in favour. Then, E (X) is : | PYQs + Solutions

CUET Mathematics 2022 25 May Shift 1

Algebra

Easy

$\frac{7}{10}$

$\frac{1}{2}$

$\frac{1}{3}$

$\frac{7}{11}$

✅ Correct Option: 1

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If we take 8 identical slips of paper and write the number 0 on one of them, the number 1 on three of the slips, the number 2 on three of the slips and the number 3 on one of the slips. These slips are folded, put in a box and roughly mixed. One slip is drawn at random from the box. If X is the random variable denoting the number written on the drawn slip, the variance of X is:

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If A and B are two distinct events such that P(A|B) = P(B|A), then which of the following is /are possible?

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(D) A∩ B = ɸ

Choose the correct answer from the options given below:

CUET Mathematics 2022 25 May Shift 1 PYQs

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