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Theoretical Probability




 


Videos, worksheets, stories and songs to help Grade 8 students learn about theoretical probability.

Finding Theoretical Probability
In this video, we will learn to find the theoretical probability, or chance, of an event occurring.

What is the theoretical probability that the spinner will land on 2?
What is the probability of randomly choosing a vowel from the letters A, B, C, D and E?
Nine pieces of paper with the numbers 1, 2, 2, 3, 4, 4, 5, 6, and 6 printed on them are placed in a bag. A student chooses one without looking. Compare the probability of choosing the number 1 and the number 4.



Determining Theoretical Probability
A spinner is divided into 8 equal sectors numbered 1 through 8.
a) What is the probability of spinning an odd number?
b) What is the probability of spinning a number divisible by 4?
c) What is the probability of spinning a number less than 3?
Looking at theoretical probability and applying it to fractions, decimals and percents, using a multi-coloured spinner.


 

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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