Probability

dice

 

“The probable is what usually happens.”    Aristotle


The probability of an event is a measure of the likelihood that the event will occur.
Probability
The probability of any event can range from 0 to 1.

Probability of an event

Probability2

Predict & Display Data

Probability – Sample Space

Probability Help,   

Probability 2 Help

1Die, 

1Hat, 

1Marble, 

1Marble_b, 

1Spinner, 

1Tile

Dependent Events Help,  

Tree Diagram Help

ProbabilityVoc, 

ProbabilityVoc2 

2Marbles, 

2Roses,

 2Tiles,

 2Dice,

Probability – Counting Principle Probability – Independent Event Probability Application

Theoretical probability

Theoretical Probability is determined through reasoning (the ratio of the number of favorable outcomes to the number of possible outcomes).

Theoretical

 

 

 

Experimental probability

Experimental probability is found by repeating an experiment and observing the outcomes.

Experimental

 

 

 

A monkey is sitting by and hitting 4 keys randomly. Suppose that the monkey is answering a multiple choice MATH STAAR TEST. There are 56 questions and each question has 4 options. Find the experimental probability