Daily Practice
Higher
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12th August 1955
- 1Conditional Probability3 marks
17 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.
- 3Reverse Percentages3 marks
A bill is £912 including VAT at 20%. Work out the amount before VAT.
- 4Inequalities on Graphs3 marks
Does the point (-2, -1) satisfy y > 2x + 7?
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 5, y = 40. Work out y when x = 12.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1955, including the monthly compilation PDF.