Higher
25th April 1962
- 1Conditional Probability3 marks
16 students study Spanish and 9 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, 6, 4, 9. Write down the cumulative frequency at the end of the third class.
- 3The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 4 digits (0 to 9), and repeats are allowed. How many codes are possible?
- 4Inequalities on Graphs3 marks
Does the point (2, 8) satisfy y > -2x + 7?
- 5Speed and Density2 marks
A block has volume 15 cm^3 and density 11 g/cm^3. Work out its mass.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of April 1962, including the monthly compilation PDF.