Higher
6th December 1983
- 1Spheres and Cones3 marks
A cone has base radius 7 cm and vertical height 24 cm. Work out its volume, leaving your answer in terms of pi.
- 2Probability Trees3 marks
A bag holds 5 red and 7 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Capture Recapture3 marks
15 fish are marked and released. Later 81 are caught, of which 9 are marked. Estimate the population.
- 4The Product Rule for Counting2 marks
A meal deal has 4 mains, 3 sides and 2 drinks. How many different meals are possible?
- 5Inequalities on Graphs2 marks
A region is defined by y < -3x - 4. Should the boundary line be solid or dashed, and why?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1983, including the monthly compilation PDF.