Higher
20th April 1963
- 1Conditional Probability3 marks
9 students study Spanish and 5 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 7, lower quartile 15, median 19, upper quartile 26 and maximum 35. Work out the interquartile range.
- 3The Product Rule for Counting2 marks
A meal deal has 3 mains, 3 sides and 2 drinks. How many different meals are possible?
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 7x + 2, work out y when x = -1.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 16. 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 April 1963, including the monthly compilation PDF.