Daily Practice
Higher
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5th November 1989
- 1Conditional Probability3 marks
12 students study Spanish and 3 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Box Plots2 marks
A box plot has a minimum of 3 and a maximum of 42. Work out the range.
- 3Surds2 marks
Write sqrt(27) in the form a sqrt(b), where b is as small as possible.
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 2x - 7, work out y when x = 3.
- 5Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 5, y = 12. Work out y when x = 2.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of November 1989, including the monthly compilation PDF.