Higher
21st September 1961
- 1Conditional Probability3 marks
14 students study Spanish and 10 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 30 values. Work out the frequency density.
- 3Standard Form2 marks
Work out (2 x 10^3) x (4 x 10^4). Give your answer in standard form.
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 6x - 1, work out y when x = 0.
- 5Repeated Percentage Change3 marks
A town's population is 7000 and grows by 6% each year. Work out the population after 2 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 September 1961, including the monthly compilation PDF.