Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
23rd April 2008
- 1Conditional Probability3 marks
9 students study Spanish and 4 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Cumulative Frequency2 marks
Four classes in order have frequencies 12, 5, 8, 12. Write down the cumulative frequency at the end of the third class.
- 3Bounds2 marks
A mass is 6.4 kg, correct to 1 decimal place. Write down the upper bound.
- 4Inequalities on Graphs3 marks
Does the point (-4, -19) satisfy y > 3x + 1?
- 5Speed and Density2 marks
A block has volume 160 cm^3 and density 4 g/cm^3. Work out its mass.
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