Higher
10th July 1968
- 1Conditional Probability3 marks
23 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Cumulative Frequency2 marks
Four classes in order have frequencies 9, 7, 12, 11. Write down the cumulative frequency at the end of the third class.
- 3Surds2 marks
Write sqrt(8) in the form a sqrt(b), where b is as small as possible.
- 4Quadratic Formula3 marks
Use the quadratic formula to solve x^2 + 10x + 2 = 0, to 2 decimal places.
- 5Speed and Density2 marks
A block has volume 80 cm^3 and density 11 g/cm^3. Work out its mass.
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 July 1968, including the monthly compilation PDF.