Daily Practice - Higher
11th February 1993
- 1Probability Trees3 marks
1 of 5 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 25 values. Work out the frequency density.
- 3The Product Rule for Counting2 marks
A meal deal has 5 mains, 3 sides and 2 drinks. How many different meals are possible?
- 4Simultaneous Equations3 marks
3 teas and 3 cakes cost £10.95. 4 teas and 3 cakes cost £13.10. Find the price of a tea.
- 5Repeated Percentage Change3 marks
A town's population is 7500 and grows by 3% each year. Work out the population after 4 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 February 1993, including the monthly compilation PDF.