CUET Mathematics - A random variable 'X' denotes the number of sixes obtained in three throws of a die. Then, the mean of the distribution is:- | PYQs + Solutions

CUET Mathematics 2025 30 May Shift 1

Algebra

Medium

applied

$\frac{1}{3}$

$\frac{1}{2}$

$\frac{1}{8}$

$\frac{2}{3}$

✅ Correct Option: 2

Related questions:

14 May Shift 1

The probability distribution of the random variable X is given by

X	0	1	2	3
P(X)	0.2	k	2k	2k

The variance of the random variable X is

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:

14 May Shift 2

An urn I contains 3 white and 4 blue balls, while urn II contains 5 white and 6 blue balls. One ball is drawn at random from one of the urns and it is found to be white. The probability that it was drawn from urn II is

CUET Mathematics 2025 30 May Shift 1 PYQs

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