Daily Practice · Higher
Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Conditional Probability3 marks
23 students study Spanish and 6 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 moth population of a meadow. State one assumption the method relies on.
- 3Fractional and Negative Indices2 marks
Write 7^-1 as a fraction.
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 - x - 8, work out y when x = -3.
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 60. Work out y when x = 4.
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Every sheet is deterministic: the same date always regenerates the same five questions. All of May 1998, including the monthly compilation PDF.