Daily Practice

Higher

28th May 1966

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 13, lower quartile 21, median 23, upper quartile 32 and maximum 41. Work out the interquartile range.
3
Fractional and Negative Indices2 marks
Write 7^-2 as a fraction.
4
Equation of a Line3 marks
A line has gradient -4 and passes through (5, -14). Work out its equation.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 72. Work out y when x = 8.

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