Foundation Plus
15th July 1974
- 1Probability (Higher)3 marks
A biased coin lands on heads with probability 0.15. It is thrown 100 times. How many heads would you expect?
- 2Frequency Trees3 marks
110 people were surveyed. 40 were adults, of whom 10 said yes. 10 of the children said yes. How many said yes altogether?
- 3Standard Form2 marks
Write 9150000 in standard form.
- 4Simultaneous Equations3 marks
4 teas and 1 cake cost £9.00. 3 teas and 2 cakes cost £10.00. Find the price of a tea.
- 5Repeated Percentage Change3 marks
A town's population is 16500 and grows by 5% 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 July 1974, including the monthly compilation PDF.