Daily Practice
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17th September 1955
- 1Conditional Probability3 marks
25 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 8, lower quartile 10, median 13, upper quartile 21 and maximum 23. Work out the interquartile range.
- 3The Product Rule for Counting2 marks
A meal deal has 8 mains, 6 sides and 5 drinks. How many different meals are possible?
- 4Solving Quadratics3 marks
Solve x^2 + 2x + 1 = 0.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 24. 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 1955, including the monthly compilation PDF.