Daily Practice - Higher
31st December 1992
- 1Conditional Probability3 marks
15 students study Spanish and 8 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 5 units wide and contains 10 values. Work out the frequency density.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.3030... as a fraction in its simplest form.
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 4x - 4, work out y when x = 0.
- 5Repeated Percentage Change3 marks
A town's population is 30000 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 December 1992, including the monthly compilation PDF.