Higher
21st February 1974
- 1Conditional Probability3 marks
23 students study Spanish and 12 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 15 values. Work out the frequency density.
- 3The Product Rule for Counting2 marks
A meal deal has 8 mains, 3 sides and 2 drinks. How many different meals are possible?
- 4Inequalities on Graphs3 marks
Does the point (4, -2) satisfy y > x - 4?
- 5Repeated Percentage Change3 marks
A town's population is 7000 and grows by 3% 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 February 1974, including the monthly compilation PDF.