Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
19th December 2008
- 1Conditional Probability3 marks
9 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 moth population of a meadow. State one assumption the method relies on.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.888... as a fraction in its simplest form.
- 4Inequalities on Graphs3 marks
Does the point (-2, 1) satisfy y > 2x - 1?
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 24. Work out y when x = 5.
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