Daily Practice
Higher
- 1Conditional Probability3 marks
30 students study Spanish and 12 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 newt population of a stream. State one assumption the method relies on.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.666... as a fraction in its simplest form.
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 5x + 5, work out y when x = 5.
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 5, y = 25. Work out y when x = 4.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of June 1963, including the monthly compilation PDF.