Higher
1st January 1970
- 1Conditional Probability3 marks
15 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Histograms2 marks
A histogram class is 10 units wide and contains 20 values. Work out the frequency density.
- 3Bounds2 marks
A mass is 60 kg, correct to the nearest 10. Write down the lower bound.
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 3x + 6, work out y when x = 3.
- 5Repeated Percentage Change3 marks
A town's population is 28500 and grows by 3% each year. Work out the population after 5 years, to the nearest whole number.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of January 1970, including the monthly compilation PDF.