CBSE Class 11 > Class 11 Videos > Introduction to random variables - Mathematics
Introduction to random variables - Video Lecture - Class 11
FAQs on Introduction to random variables - Mathematics
| 1. What is a random variable in mathematics? |  |
Ans. In mathematics, a random variable is a variable that takes on different values based on the outcome of a random event. It represents a numerical measurement of the outcomes of a random experiment.
| 2. How is a random variable different from a regular variable? | |
Ans. A regular variable in mathematics has a fixed value that does not change. On the other hand, a random variable can take on different values based on the outcome of a random event. It represents the uncertainty associated with the outcome of the experiment.
| 3. What are the types of random variables? | |
Ans. There are two types of random variables - discrete and continuous. A discrete random variable can only take on distinct, separate values, while a continuous random variable can take on any value within a certain range.
| 4. How is the probability distribution of a random variable determined? | |
Ans. The probability distribution of a random variable is determined by assigning probabilities to each possible value that the random variable can take. This distribution can be represented in the form of a table, graph, or mathematical formula.
| 5. How are random variables used in real-life applications? | |
Ans. Random variables are used in various real-life applications, such as finance, statistics, and engineering. They help in modeling and analyzing uncertain events, predicting outcomes, and making informed decisions based on probabilities. For example, in finance, random variables are used to model stock prices or interest rates.
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Apr 20, 2026 Last updated
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