Daily Practice
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19th December 1967
- 1Conditional Probability3 marks
15 students study Spanish and 8 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Capture Recapture3 marks
10 voles are marked and released. Later 60 are caught, of which 5 are marked. Estimate the population.
- 3Fractional and Negative Indices3 marks
Work out 16^(3/2).
- 4Inequalities on Graphs3 marks
Does the point (-2, 0) satisfy y > 4x + 1?
- 5Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 7. Write y in terms of x.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1967, including the monthly compilation PDF.