Topic on Probability!

Probability's Mantra

"And is x, Or is +"

How to Master the Topic?
1st Step: Learn to rephrase whatever given to you with the words 'OR' and 'AND'
2nd Step: Direct Transform 'OR' to '+' and 'AND' to '-'
3rd Step: Computate the answer.

Example: A bag contains 4 black balls and 2 white balls. A ball is taken from the bag and its colour is noted. The first ball is replaced in the bag before the second ball is taken. Fiind the probability that

a) 2 red balls are taken

1st Step: Learn to rephrase whatever given to you with the words 'OR' and 'AND'
Red ball AND Red ball

2nd Step: Direct Transform 'OR' to '+' and 'AND' to '-'
2/6 AND 2/6 (the denominator are the Same bcos of the word 'replaced')

3rd Step: Computate the answer.
4/36

1/9(Answer)


b) both balls are of the same colour

1st Step: Learn to rephrase whatever given to you with the words 'OR' and 'AND'
Red ball AND Red ball
OR
White ball AND White ball

2nd Step: Direct Transform 'OR' to '+' and 'AND' to '-'
Do - It - Yourself: ________________

3rd Step: Computate the answer.
Do - It - Yourself: Do you get 5/9



Sound Simple???

With Just the Basic 3 steps combining with the mantra, you can almost MASTER Probability.

Further Simplified Steps
1st Step: Modification - Rephrasing
2nd Step: Transformation
3rd Step: Computation

***IMPORTANT***

The above methods are created by the Founder of Maths Specialist - Mr K L Chua.

If you want to use it to teach your student(s), please tell them

The methods are created by the Founder of Maths Specialist - Mr K L Chua.

Please kindly have a sense of honesty. The Law is watching us!


"The best liar can lie to everyone but not him or herself :("
~ Mr K L Chua, Founder of Maths Specialist