Higher
1st September 1967
- 1SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 9 cm, 40 cm and 41 cm. Work out the angle opposite the 9 cm side, to 1 decimal place.
- 2Probability Trees3 marks
A bag holds 9 red and 3 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Capture Recapture2 marks
A capture-recapture estimate is made of the fish population of a pond. State one assumption the method relies on.
- 4The Product Rule for Counting2 marks
A meal deal has 3 mains, 7 sides and 2 drinks. How many different meals are possible?
- 5Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = 3x + 5 that passes through (4, 11).
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Any date always gives the same five questions, so a sheet can be set again or shared. All of September 1967, including the monthly compilation PDF.