Daily Practice

Higher

16th July 1983

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

1
Conditional Probability3 marks
23 students study Spanish and 12 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 15, lower quartile 17, median 24, upper quartile 28 and maximum 31. Work out the interquartile range.
3
The Product Rule for Counting2 marks
A meal deal has 7 mains, 9 sides and 3 drinks. How many different meals are possible?
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - x - 9, work out y when x = -2.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 100. Work out y when x = 6.

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