Theoretical Probability

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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.

Finding Theoretical Probability
Example:
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.

Try the free Mathway calculator and problem solver below to practice various 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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