Probability and Statistics For GATE Exam (original) (raw)
Last Updated : 23 Jul, 2025
Probability and Statistics are essential topic for the **GATE CSE (Graduate Aptitude Test in Engineering for Computer Science Engineering) exam, as play a crucial role in **Computer Science Engineering (CSE) and has numerous applications in various domains like machine learning, Artificial Intelligence, Data Science and Analytics etc.
This article provides complete tutorial on Probability and Statistics for GATE CSE Exam which contains topics in a simplified and easy-to-understand sections.
You can also refer to **Probability and Statistics Previous Year Questions - Topic wise to solve topic wise GATE Problems
Official Syllabus Gate of Probability and Statistics for
Here's the complete syllabus of Probability and Statistics, as per the GATE CSE 2025 official notification:
- Random variables : Continuous and Discrete Random Variables.
- Probability Distributions: Uniform, normal, exponential, Poisson and binomial distributions.
- Statistics: Mean, median, mode and standard deviation.
- Conditional probability and Bayes theorem.
1. Random Variables
2. Probability Distributions
- **Probability Distribution
- **Probability Distribution Function
- **Uniform Distribution
- **Normal Distribution
- **Exponential Distribution
- **Poisson Distribution
- **Binomial Distribution
3. Statistics
4. Conditional Probability And Bayes Theorem
GATE CS/IT Subject-Wise Weightage
The subject-wise weightage for GATE CSE exam, based on the previous year patterns, is listed below:
| Topics | Weightage |
|---|---|
| General Aptitude | 15 |
| Engineering Mathematics | 13 |
| Discrete Mathematics | |
| Digital Logic | 6 |
| Computer Organization and Architecture | 8 |
| Programming and Data Structure | 15 |
| Algorithms | 7 |
| Theory of Computation | 6 |
| Compiler Design | 4 |
| Operating System | 9 |
| Databases | 7 |
| Computer Networks | 10 |
Tips For Candidates While Preparing for Probability and Statistics in GATE Exams
Preparing for the Probability and Statistics section of the GATE exams require regular practice, hands on approach along with right approach and strategies. Here are some practical tips to help you prepare:
- **Understand the Basics: Build a strong foundation in basic concepts like random variables, events, Mean, median, variance, standard deviation and theorems related to probability and statistics.
- **Solve Previous Year Questions: This is crucial for understanding the type of questions that appear in the GATE exam. It also helps in identifying important topics that are frequently tested.
- **Simulate Exam Conditions: Regularly practice full-length tests under timed conditions. This will help you manage your time effectively during the actual exam.
- **Memorize Important Formulas: Keep a formula sheet handy that include all important formulas like Bayes theorem, Probability Distribution, Mean median and Mode and other and revise it regularly.
- **Focus on High-Weight Topics: Focus on topics like Conditional Probability and Bayes’ Theorem, Probability Distributions and Random Variables which have high weightage in exam.
- **Solve Numerical Problems : Regularly practice numerical problems to gain speed and accuracy also use shortcut techniques and approximations where applicable.
This tutorial provides a complete guide to the important concepts of Probability and Statistics as per the GATE CSE syllabus. By breaking down each topic and explaining it in simple terms, it will help you in preparing for your GATE exam.