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.

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