Higher
17th January 1970
- 1Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 144. Work out y when x = 8.
- 2Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 13 cm and angle 300°. Work out its area, to 1 decimal place.
- 3Conditional Probability3 marks
15 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Box Plots2 marks
A box plot has minimum 14, lower quartile 24, median 28, upper quartile 33 and maximum 40. Work out the interquartile range.
- 5The Product Rule for Counting2 marks
A meal deal has 4 mains, 7 sides and 2 drinks. How many different meals are possible?
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