Higher
6th March 1970
- 1Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 8, y = 16. Work out y when x = 14.
- 2Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 9 cm and angle 30°. Work out its area, to 1 decimal place.
- 3Conditional Probability3 marks
14 students study Spanish and 9 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Capture Recapture2 marks
A capture-recapture estimate is made of the ladybird population of a garden. State one assumption the method relies on.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.777... as a fraction in its simplest form.
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