Daily Practice · Higher

Daily Practice - Higher

5th October 1996

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

1
Probability Trees3 marks
3 of 5 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 2, lower quartile 11, median 21, upper quartile 27 and maximum 34. Work out the interquartile range.
3
Fractional and Negative Indices2 marks
Write 9^-3 as a fraction.
4
Equation of a Line3 marks
A line has gradient 3 and passes through (3, 7). Work out its equation.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 175. Work out y when x = 3.

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