Daily Practice

Higher

29th April 1967

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

1
Probability Trees3 marks
1 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Box Plots2 marks
A box plot has minimum 3, lower quartile 12, median 15, upper quartile 18 and maximum 26. Work out the interquartile range.
3
Standard Form2 marks
Work out (8 x 10^7) x (4 x 10^4). Give your answer in standard form.
4
Equation of a Line3 marks
A line has gradient -1 and passes through (3, -6). Work out its equation.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 96. Work out y when x = 8.

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