Higher
4th November 1971
- 1Conditional Probability3 marks
23 students study Spanish and 7 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 4 units wide and contains 2 values. Work out the frequency density.
- 3Standard Form2 marks
Work out (8 x 10^4) x (7 x 10^4). Give your answer in standard form.
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 6x - 4, work out y when x = -2.
- 5Repeated Percentage Change3 marks
A town's population is 34000 and grows by 3% each year. Work out the population after 4 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 November 1971, including the monthly compilation PDF.