Daily Practice
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21st December 1962
- 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 snail population of a hedgerow. State one assumption the method relies on.
- 3Fractional and Negative Indices2 marks
Write 8^-1 as a fraction.
- 4Inequalities on Graphs3 marks
Does the point (5, 12) satisfy y > 3x - 8?
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 5, y = 60. Work out y when x = 6.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1962, including the monthly compilation PDF.