Daily Practice
Higher
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9th August 1983
- 1Conditional Probability3 marks
24 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Capture Recapture3 marks
35 fish are marked and released. Later 55 are caught, of which 5 are marked. Estimate the population.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.6464... as a fraction in its simplest form.
- 4Inequalities on Graphs3 marks
Does the point (-1, 8) satisfy y > -3x + 3?
- 5Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 3 : 8. 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 August 1983, including the monthly compilation PDF.