Higher
2nd August 1990
- 1Probability Trees3 marks
2 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 4 units wide and contains 16 values. Work out the frequency density.
- 3The Product Rule for Counting2 marks
A meal deal has 5 mains, 9 sides and 5 drinks. How many different meals are possible?
- 4Equation of a Line3 marks
A line has gradient -5 and passes through (2, -8). Work out its equation.
- 5Repeated Percentage Change3 marks
A town's population is 2500 and grows by 3% each year. Work out the population after 3 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 August 1990, including the monthly compilation PDF.