Daily Practice

Higher

10th July 1976

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

1
Probability Trees3 marks
2 of 10 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 15, median 22, upper quartile 26 and maximum 30. 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 5 and passes through (6, 21). Work out its equation.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 72. Work out y when x = 5.

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