Daily Practice
Higher
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5th January 1983
- 1Conditional Probability3 marks
15 students study Spanish and 6 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Cumulative Frequency2 marks
Four classes in order have frequencies 3, 5, 3, 8. Write down the cumulative frequency at the end of the third class.
- 3Bounds2 marks
A mass is 14 kg, correct to the nearest whole number. Write down the lower bound.
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 - x - 2, work out y when x = 5.
- 5Speed and Density2 marks
A block has volume 115 cm^3 and density 11 g/cm^3. Work out its mass.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of January 1983, including the monthly compilation PDF.