Daily Practice

Higher

23rd August 1986

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

1
Probability Trees3 marks
2 of 8 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 8, median 18, upper quartile 24 and maximum 31. Work out the interquartile range.
3
Fractional and Negative Indices2 marks
Write 4^-3 as a fraction.
4
Equation of a Line3 marks
A line has gradient 4 and passes through (1, 6). Work out its equation.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 81. Work out y when x = 4.

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