Daily Practice

Higher

17th September 1988

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

1
Probability Trees3 marks
4 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 3, lower quartile 11, median 16, upper quartile 22 and maximum 26. Work out the interquartile range.
3
Standard Form3 marks
Work out (9 x 10^11) / (3 x 10^5). Give your answer in standard form.
4
Trigonometric and Exponential Graphs2 marks
The curve y = 5^x is drawn. Work out y when x = 5, and write down where the curve crosses the y-axis.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 36. Work out y when x = 4.

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