Higher
2nd October 1952
- 1Conditional Probability3 marks
28 students study Spanish and 9 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 12 values. Work out the frequency density.
- 3Standard Form3 marks
Work out (10 x 10^9) / (2 x 10^2). Give your answer in standard form.
- 4Quadratic Formula3 marks
Work out the discriminant of 3x^2 + 2x + 11 = 0 and say how many real solutions it has.
- 5Repeated Percentage Change3 marks
A town's population is 10500 and grows by 8% 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 October 1952, including the monthly compilation PDF.