Daily Practice

Higher

23rd July 1977

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
18 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 23, median 27, upper quartile 33 and maximum 41. Work out the interquartile range.
3
Surds2 marks
Write sqrt(98) in the form a sqrt(b), where b is as small as possible.
4
Inequalities on Graphs3 marks
Does the point (-4, -9) satisfy y > 2x - 3?
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 63. Work out y when x = 4.

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