Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
23rd November 2013
- 1Conditional Probability3 marks
15 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 7, lower quartile 16, median 18, upper quartile 20 and maximum 28. Work out the interquartile range.
- 3The Product Rule for Counting2 marks
A meal deal has 8 mains, 6 sides and 3 drinks. How many different meals are possible?
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 5x - 9, work out y when x = 2.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 50. Work out y when x = 3.
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