Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
6th January 2024
- 1Conditional Probability3 marks
23 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 14, lower quartile 18, median 27, upper quartile 36 and maximum 43. Work out the interquartile range.
- 3The Product Rule for Counting2 marks
A meal deal has 4 mains, 3 sides and 5 drinks. How many different meals are possible?
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 7x - 11, work out y when x = -3.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 48. Work out y when x = 9.
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