Higher
6th August 1988
- 1Conditional Probability3 marks
30 students study Spanish and 10 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Box Plots2 marks
A box plot has minimum 11, lower quartile 15, median 18, upper quartile 24 and maximum 28. Work out the interquartile range.
- 3The Product Rule for Counting2 marks
A meal deal has 4 mains, 3 sides and 5 drinks. How many different meals are possible?
- 4Inequalities on Graphs3 marks
Does the point (3, 6) satisfy y > x + 6?
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 144. Work out y when x = 3.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1988, including the monthly compilation PDF.