CUET Mathematics - A random variable X has the following probability distribution: | X | 2 | 3 | 4 | 5 | |---|---|---|---|---| | P(X) | 5/k | 7/k | 9/k | 11/k | Then the value of k/4 is: | PYQs + Solutions

CUET Mathematics 2025 3 June Shift 1

Algebra

Easy

common

✅ Correct Option: 1

Related questions:

16 May Shift 1

In a game, a man wins ₹ 8 for getting a number greater than 3 and loses ₹ 3 otherwise, when a fair die is thrown. The man decided to throw a die 4 times but to quit as and when he gets a number greater than 3. If X denotes the amount which the man wins or loses, then which of the following are correct?

(A) All the possible values of X are 8, 5, 2 and -1.

(B) The probability distribution of X is:

X	8	5	2	-1	-12
P(X)	1/2	1/4	1/8	1/16	1/16

(D) The variance of X is 6615/256.

Choose the correct answer from the options given below:

2 June Shift 1

The probability distribution of a random discrete variable is given

X	-1	0	1	2	3
P(X)	0.1	$p$	0.3	$q$	$r$

If it is known that P(X=1) is the mean of P(X=0) and P(X=2).

Then the value of r is :

30 May Shift 2

If A and B are two events such that P(A) ≠ 0 and P(B | A) = 1 then

CUET Mathematics 2025 3 June Shift 1 PYQs

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