Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Conditional Probability3 marks
7 students study Spanish and 3 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Capture Recapture2 marks
A capture-recapture estimate is made of the newt population of a stream. State one assumption the method relies on.
- 3Standard Form2 marks
Work out (2 x 10^8) x (2 x 10^6). Give your answer in standard form.
- 4Inequalities on Graphs3 marks
Does the point (2, -19) satisfy y > -3x - 8?
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 30. Work out y when x = 8.
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