Daily Practice
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30th September 1989
- 1Conditional Probability3 marks
17 students study Spanish and 9 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 10, lower quartile 14, median 19, upper quartile 26 and maximum 32. Work out the interquartile range.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.9595... as a fraction in its simplest form.
- 4Solving Quadratics3 marks
Solve x^2 + 9x + 14 = 0.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 32. 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 September 1989, including the monthly compilation PDF.