UPSC Exam > UPSC Videos > CSAT Preparation > What is Probability?
What is Probability? Video Lecture | CSAT Preparation - UPSC
FAQs on What is Probability? Video Lecture - CSAT Preparation - UPSC
| 1. What is probability theory? |  |
Ans. Probability theory is a branch of mathematics that deals with the study of uncertainty and randomness. It provides a framework for analyzing and predicting the likelihood of different events or outcomes occurring. It is widely used in various fields such as statistics, economics, physics, and gambling.
| 2. How is probability calculated? | |
Ans. Probability is calculated by dividing the number of favorable outcomes by the total number of possible outcomes. The probability of an event happening ranges from 0 (impossible) to 1 (certain). For example, if we roll a fair six-sided die, the probability of rolling a 3 is 1/6 because there is one favorable outcome (rolling a 3) out of six possible outcomes (rolling a 1, 2, 3, 4, 5, or 6).
| 3. What are the two types of probability? | |
Ans. The two types of probability are theoretical probability and experimental probability. Theoretical probability is based on mathematical principles and is calculated by determining the ratio of favorable outcomes to all possible outcomes. Experimental probability, on the other hand, is based on observed data and is calculated by conducting experiments or collecting data to determine the ratio of favorable outcomes to the total number of trials.
| 4. What is the difference between independent and dependent events in probability? | |
Ans. In probability, independent events are those in which the outcome of one event does not affect the outcome of another event. For example, flipping a coin twice, the outcome of the first flip (heads or tails) does not affect the outcome of the second flip. On the other hand, dependent events are those in which the outcome of one event does affect the outcome of another event. For example, drawing two cards from a deck without replacement, the probability of drawing a second card of a certain suit depends on the outcome of the first draw.
| 5. How can probability be used in real-life situations? | |
Ans. Probability is used in many real-life situations to make informed decisions and predictions. For example, it is used in weather forecasting to predict the likelihood of rain or sunny weather. In insurance, probability is used to calculate premiums by assessing the risk of certain events occurring. It is also used in sports betting, financial investments, medical research, and many other areas where uncertainty and risk are involved.
About this Video
2.1K Views
4.76/5
Rating
Oct 02, 2025
Last updated
Related Exams
Video Description: What is Probability? for UPSC 2025 is part of CSAT Preparation preparation.
The notes and questions for What is Probability? have been prepared according to the UPSC exam syllabus.
Information about What is Probability? covers all important topics for UPSC 2025 Exam.
Find important definitions, questions, notes, meanings, examples, exercises and tests below for What is Probability?.
Introduction of What is Probability? in English is available as part of our CSAT Preparation for UPSC & What is Probability? in
Hindi for CSAT Preparation course. Download more important topics related with notes, lectures and mock test series for
UPSC Exam by signing up for free.
Description
Video Lecture & Questions for What is Probability? Video Lecture | CSAT Preparation - UPSC - UPSC full syllabus preparation | Free video for UPSC exam to prepare for CSAT Preparation.
Information about What is Probability?
Here you can find the meaning of What is Probability? defined & explained in the simplest way possible.
Besides explaining types of What is Probability? theory, EduRev gives you an ample number of questions to practice What is Probability? tests,
examples and also practice UPSC tests.
Related Searches
ppt
,Summary
,video lectures
,MCQs
,Previous Year Questions with Solutions
,shortcuts and tricks
,Free
,Semester Notes
,Important questions
,Sample Paper
,What is Probability? Video Lecture | CSAT Preparation - UPSC
,What is Probability? Video Lecture | CSAT Preparation - UPSC
,Viva Questions
,What is Probability? Video Lecture | CSAT Preparation - UPSC
,Extra Questions
,Exam
,practice quizzes
,study material
,past year papers
,mock tests for examination
,Objective type Questions
;
Study What is Probability? on the App
Students of UPSC can study What is Probability? alongwith tests & analysis from the EduRev app,
which will help them while preparing for their exam. Apart from the What is Probability?,
students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc.
The EduRev App will make your learning easier as you can access it from anywhere you want.
The content of What is Probability? is prepared as per the latest UPSC syllabus.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up
within 7 days!
within 7 days!
Takes less than 10 seconds to signup