Foundation
12th March 2025
- 1Grouped Frequency Tables
The frequencies for four class intervals are 6, 9, 11, 4. Find the total number of data values.
- 2Pictograms
A pictogram has a key of 1 symbol = 4 people. A town has 22 people who play chess. How many symbols, including any part-symbol, should be drawn?
- 3Probability Basics and the Probability Scale
A spinner has 8 equal sections numbered 1 to 8. What is P(the spinner lands on a number greater than 5)?
- 4Bar and Composite Bar Charts
Two composite bars compare tea and coffee drinkers: Monday has a total of 60 drinks, of which 35 are tea; Tuesday has a total of 72 drinks, of which 40 are tea. On which day was a greater proportion of drinks tea?
- 5Mutually Exclusive Events
A game has four mutually exclusive outcomes: win, draw, lose, abandoned. P(win) = 0.45, P(draw) = 0.2, P(abandoned) = 0.05. Find P(lose).
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