Daily Practice · Higher

Daily Practice - Higher

8th February 1997

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

1
Conditional Probability3 marks
10 students study Spanish and 3 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 4, lower quartile 13, median 22, upper quartile 31 and maximum 39. Work out the interquartile range.
3
Bounds2 marks
A mass is 78 kg, correct to the nearest whole number. Write down the lower bound.
4
Solving Quadratics3 marks
Solve x^2 + 6x + 9 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 128. Work out y when x = 3.

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