Foundation
1st April 2025
- 1Sample Space Diagrams
Using two fair six-sided dice added together, find P(total is 7).
- 2Relative and Expected Frequency
Student A rolls a dice 20 times and gets a 6 four times. Student B rolls the same dice 300 times and gets a 6 forty-eight times. Whose relative frequency is a more reliable estimate of the true probability, and what is it?
- 3Stem and Leaf Diagrams
A stem-and-leaf diagram has rows: 0|5 8, 1|2 2 6, 2|1. How many data values are there in total?
- 4Histograms
Using the same histogram, how many students scored between 10 and 30 marks?
- 5Venn Diagrams
A rectangle labelled 20 contains two non-overlapping circles for events A and B with 8 and 5 inside them. How many outcomes are outside both circles?
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