Which is the most suitab<= definition for random variab<= among the options given below:

It is a function defined from the samp<= space of a random experiment to the set of real numbers.

It is a relation between the events of a samp<= space and the numbers in [0,1].

It is a function defined from the samp<= space of a random experiment to the set of real numbers.

It is a tab<= containing probability values

CUET Mathematics - Which is the most suitable definition for random variable among the options given below: | PYQs + Solutions

CUET Mathematics 2022 6 Aug Shift 2

Algebra

Easy

It is a relation between the events of a sample space and the numbers in [0,1].

It is a function defined from the sample space of a random experiment to the set of real numbers.

It is a table containing probability values

It is a function from the set of natural numbers to the numbers in [0,1]

✅ Correct Option: 2

Related questions:

22 May Shift 2

The random variable X can take values 0, 1, 2. If $P(X=0)=P(X=1)=\alpha$ , and $E(X^2)=E(X)$ , then which of the following are correct?

(A) $E(X) = 2-3\alpha$

(B) $E(X^2) = 4+7\alpha$

(D) $\alpha = \frac{1}{5}$

Choose the correct answer from the options given below:

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The probability of answering a question correctly, is :

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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