Monday, May 10, 2010


Today in math class we learnt about probablity. We learnt about theoretical probability & experimental probability.

Probability can be expressed by using:

-a probability tree

-dice and coin toss

-ratio tables

Theoretical Probability

What math says should happen.

TP= favorable outcome
total possible outcomes.


=Heads, Tails


Experimental Probabilty

EP= favorable outcomes

number of experiments

***The more you experiment the closer you get to the theoretical probabilty***

Probability Trees

-coin ---> Head, Tail 2
-6 sided cube ---> 1,2,3,4,5,6 x6

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