Daily Practice · Higher

Daily Practice - Higher

25th February 1995

5 questions · 12 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 10, lower quartile 15, median 20, upper quartile 29 and maximum 37. Work out the interquartile range.
3
Standard Form2 marks
Work out (4 x 10^5) x (7 x 10^4). Give your answer in standard form.
4
Trigonometric and Exponential Graphs2 marks
The curve y = 2^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 = 4, y = 112. Work out y when x = 2.

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