Daily Practice

Higher

21st March 1964

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

1
Conditional Probability3 marks
29 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 7, lower quartile 17, median 23, upper quartile 28 and maximum 34. Work out the interquartile range.
3
Bounds2 marks
A mass is 18.5 kg, correct to 1 decimal place. Write down the upper bound.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 7x - 8, work out y when x = -3.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 96. Work out y when x = 3.

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