1. Probability - What it is?
2. Deterministic and Random Experiment
3. Trial, Experiment, Event, Result/Outcome
4. Compound, Complex, Composite, Elementary, Simple, Events
5. Mutually-Exclusive/Incompatible & Non-Mutually-Exclusive/Compatible Events
6. Equally Likely, Exhaustive, Not-Exhaustive Events
7. Favorable/Unfavourable/Total-Possible Choices/Cases in an experiment
8. Mathematical Classical A Priori Definition of Probability
9. Odds in Favour/Favor and Odds against an Event
10. Fundamental Counting Principle (Theorem) of Multiplication
11. Fundamental Counting Principle (Theorem) of Addition
12. Set theoretical Concepts relevant to Probability
13. Modern Definition of Probability. Set Theoretic Approach
14. Addition Theorem of Probability. Occurrence of Atleast, Atmost, Intersection/Union of two or more events.

1. Choosing One/Single Coin Dice/Die Card Number Ticket Ball Member Student
2. Arranging Letters of a Word (all letters different)
3. Arranging Letters of a Word (all letters not different)
4. Tossing/Throwing/Flipping Multiple coins
5. Selecting (Drawing,Picking,Choosing) Multiple items (balls,cards,numbers,articles)

Classical/Mathematical Definition

1. Basic Concepts
2. Tossing a Coin
3. Throwing Single/One Dice

4. Drawing/Choosing a Single/One

   4. Card from a Pack of Cards
   5. Ball from two or more balls
   6. Card from Numbered Cards
   7. Item, Product, Article, Page from two or more ...
   8. Letter from the letters of a Word
   9. Letter from a Page

5. Arranging the Letters of a Word

   10. All Letters Different
   11. All Letters Not Different

6. Tossing/Throwing

   12. Two/Three Coins
   13. Four/Five/Six ... More Coins

7. Rolling/Throwing/Tossing

   14. Two/Three/More Die/Dice

8. Drawing/Picking/Selecting/Choosing Two/Three/More

   15. Cards from a Pack of Cards
   16. Numbered Cards
   17. Balls from a Box/Bag/Urn
   18. Item, Product, Article, Page from two or more ...
   19. Fruits/Bulbs/Lamps/Articles/Things/Objects from a Box/Bag/Urn
   20. Coins from a box/bag/urn

Set Theoretic Approach

Addition Theorem

Multiplication Theorem

Bayes Theorem