Higher
6th April 1972
- 1Repeated Percentage Change3 marks
A town's population is 32000 and grows by 8% each year. Work out the population after 4 years, to the nearest whole number.
- 2SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 21 cm and an angle of 21°. Work out the side opposite that angle, to 1 decimal place.
- 3Probability Trees3 marks
5 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Histograms2 marks
A histogram class is 20 units wide and contains 30 values. Work out the frequency density.
- 5Standard Form2 marks
Work out (5 x 10^6) x (5 x 10^-5). Give your answer in standard form.
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