Topics
7. Probability
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AustraliaWA
Year 12

7.025 Theoretical probability

Lesson
Worksheet
Practice

Interactive practice questions

Select the two events which have a probability of $25%$25% on this spinner:

A colorful prize wheel with three distinct sections, each a different color and featuring a unique symbol. The largest section is red with a orange ball symbol, occupying about half of the wheel. The yellow section features a red apple, and the blue section has a blue pig symbol; both of these sections are smaller and appear to be equal in size, each making up a quarter of the wheel.

A red apple

A

An orange ball

B

A blue pig

C

A green star

D
Easy
< 1min

Select the spinner where the event A green star. has a probability of $0.5$0.5:

Easy
< 1min

Look at this spinner and answer the following questions:

Easy
1min

Look at this spinner and answer the following questions:

Easy
2min
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Outcomes

4.1.2

describe ways of expressing probabilities formally using fractions, decimals, ratios and percentages

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