Daily Practice
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1st December 1984
- 1Conditional Probability3 marks
32 students study Spanish and 12 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 minimum 1, lower quartile 3, median 5, upper quartile 9 and maximum 14. Work out the interquartile range.
- 3Standard Form3 marks
Work out (64 x 10^7) / (8 x 10^3). Give your answer in standard form.
- 4Inequalities on Graphs3 marks
Does the point (-3, 17) satisfy y > -4x + 2?
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 27. 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 December 1984, including the monthly compilation PDF.