Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
16th November 2019
- 1Conditional Probability3 marks
24 students study Spanish and 10 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 7, lower quartile 12, median 21, upper quartile 29 and maximum 32. Work out the interquartile range.
- 3Bounds2 marks
A mass is 12 kg, correct to 1 decimal place. Write down the lower bound.
- 4Inequalities on Graphs3 marks
Does the point (-3, 12) satisfy y > -2x + 7?
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 144. Work out y when x = 2.
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