Daily Practice
Higher
- 1Conditional Probability3 marks
19 students study Spanish and 11 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 ladybird population of a garden. State one assumption the method relies on.
- 3Surds2 marks
Write sqrt(32) in the form a sqrt(b), where b is as small as possible.
- 4Inequalities on Graphs3 marks
Does the point (-1, -1) satisfy y > x + 5?
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 5, y = 15. Work out y when x = 7.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of May 1970, including the monthly compilation PDF.