Daily Practice · Higher
Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
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21st July 1998
- 1Conditional Probability3 marks
13 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
15 voles are marked and released. Later 44 are caught, of which 4 are marked. Estimate the population.
- 3Bounds2 marks
A mass is 5 kg, correct to the nearest whole number. Write down the upper bound.
- 4Solving Quadratics3 marks
Solve x^2 - 11x + 24 = 0.
- 5Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 5. Write y in terms of x.
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