Higher
17th October 1963
- 1Conditional Probability3 marks
20 students study Spanish and 11 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.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.555... as a fraction in its simplest form.
- 4Quadratic Formula3 marks
Use the quadratic formula to solve x^2 - 11x - 8 = 0, to 2 decimal places.
- 5Repeated Percentage Change3 marks
A town's population is 7000 and grows by 6% each year. Work out the population after 6 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 1963, including the monthly compilation PDF.