Higher
27th April 1989
- 1Conditional Probability3 marks
13 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 20 units wide and contains 30 values. Work out the frequency density.
- 3The Product Rule for Counting2 marks
A meal deal has 9 mains, 6 sides and 6 drinks. How many different meals are possible?
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 + x - 8, work out y when x = 3.
- 5Repeated Percentage Change3 marks
A town's population is 27000 and grows by 6% 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 April 1989, including the monthly compilation PDF.