Foundation Plus
27th September 1977
- 1Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 500 times. How many heads would you expect?
- 2Cumulative Frequency2 marks
Four classes in order have frequencies 10, 3, 8, 8. Write down the cumulative frequency at the end of the third class.
- 3Standard Form2 marks
Write 300000 in standard form.
- 4Drawing Linear Graphs3 marks
A line has equation y = 3x - 3. Write down where it crosses the x-axis and where it crosses the y-axis.
- 5Compound Interest and Depreciation3 marks
£1500 is invested at 2% compound interest per year. Work out the value after 4 years, to the nearest penny.
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