Daily Practice
Foundation Plus
← All tiers
25th February 1987
- 1Probability (Higher)3 marks
A biased coin lands on heads with probability 0.4. It is thrown 500 times. How many heads would you expect?
- 2Capture Recapture3 marks
10 voles are marked and released. Later 30 are caught, of which 6 are marked. Estimate the population.
- 3Standard Form2 marks
Write 131000 in standard form.
- 4Solving Equations3 marks
Solve 3(x + 5) = 33.
- 5Percentages2 marks
Idris scored 23 out of 25 in a test. What percentage is this?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1987, including the monthly compilation PDF.