Daily Practice
Higher
- 1Conditional Probability3 marks
14 students study Spanish and 7 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 beetle population of a woodland. State one assumption the method relies on.
- 3Fractional and Negative Indices3 marks
Work out 49^(3/2).
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 4x - 5, work out y when x = 2.
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 2, y = 24. Work out y when x = 5.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of May 1964, including the monthly compilation PDF.