Higher
24th September 1974
- 1Spheres and Cones3 marks
A cone has base radius 9 cm and vertical height 15 cm. Work out its volume, leaving your answer in terms of pi.
- 2Probability Trees3 marks
A bag holds 9 red and 3 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Capture Recapture3 marks
10 fish are marked and released. Later 64 are caught, of which 8 are marked. Estimate the population.
- 4Bounds2 marks
A mass is 55 kg, correct to the nearest whole number. Write down the lower bound.
- 5Inequalities on Graphs2 marks
A region is defined by y <= 3x + 4. Should the boundary line be solid or dashed, and why?
You are looking at an earlier sheet. Today's sheet is the one that adds a day.
Your run is kept in this browser only, and there is no account.
Recent Higher sheets
Any date always gives the same five questions, so a sheet can be set again or shared. All of September 1974, including the monthly compilation PDF.