Foundation Plus
25th February 1963
- 1Probability (Higher)3 marks
A biased coin lands on heads with probability 0.4. It is thrown 100 times. How many heads would you expect?
- 2Frequency Trees3 marks
100 people were surveyed. 80 were adults, of whom 20 said yes. 5 of the children said yes. How many said yes altogether?
- 3Standard Form2 marks
Write 33400000 in standard form.
- 4Simultaneous Equations3 marks
5 teas and 4 cakes cost £16.70. 4 teas and 3 cakes cost £12.90. Find the price of a tea.
- 5Repeated Percentage Change3 marks
A town's population is 5500 and grows by 5% 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 February 1963, including the monthly compilation PDF.