What Is Probability?
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Probability
It is a branch of mathematics that deals with the occurrence of a random event. The value is expressed from zero to one
Formula for Probability
Probability of event to happen P(E) = Number of favourable outcomes/Total Number of outcomes
Types of Probability
Theoretical Probability Experimental Probability Axiomatic Probability
Probability Tree
The tree diagram helps to organize and visualize the different possible outcomes. Branches and ends of the tree are two main positions.
1)
There are 6 pillows in a bed, 3 are red, 2 are yellow and 1 is blue. What is the probability of picking a yellow pillow?
Solved Examples
Ans:
The probability is equal to the number of yellow pillows in the bed divided by the total number of pillows, i.e. 2/6 = 1/3.
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