Foundation
7th September 2025
- 1Probability Basics and the Probability Scale
A bag has 4 yellow and 6 white balls. What is P(picking a yellow ball)?
- 2Bar and Composite Bar Charts
A bar chart uses a scale where each small square represents 2 people. A bar is 7 squares tall. How many people does the bar represent?
- 3Mutually Exclusive Events
A card is drawn at random from a normal 52-card pack. Find P(drawing a King or a Queen).
- 4Pie Charts
A pie chart represents 200 people. One sector has an angle of 45 degrees. How many people does it represent?
- 5Sample Space Diagrams
Two fair coins are flipped. How many equally likely outcomes are in the sample space?
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