Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

11th October 2003

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
20 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Box Plots2 marks
A box plot has minimum 10, lower quartile 15, median 22, upper quartile 26 and maximum 31. Work out the interquartile range.
3
The Product Rule for Counting2 marks
A meal deal has 3 mains, 5 sides and 4 drinks. How many different meals are possible?
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 3x - 12, work out y when x = 5.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 175. Work out y when x = 6.

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