Higher
13th March 1969
- 1Probability Trees3 marks
4 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 2Histograms2 marks
A histogram class is 10 units wide and contains 20 values. Work out the frequency density.
- 3Standard Form3 marks
Work out (40 x 10^10) / (5 x 10^3). Give your answer in standard form.
- 4Simultaneous Equations3 marks
3 teas and 2 cakes cost £14.35. 4 teas and 2 cakes cost £16.80. Find the price of a tea.
- 5Repeated Percentage Change3 marks
A town's population is 36000 and grows by 6% each year. Work out the population after 6 years, to the nearest whole number.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1969, including the monthly compilation PDF.