Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
23rd June 2001
- 1Conditional Probability3 marks
18 students study Spanish and 6 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 3, lower quartile 10, median 16, upper quartile 25 and maximum 31. Work out the interquartile range.
- 3Standard Form2 marks
Work out (5 x 10^4) x (2 x 10^-6). Give your answer in standard form.
- 4Inequalities on Graphs3 marks
Does the point (4, 18) satisfy y > 4x - 5?
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 48. Work out y when x = 3.
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