Daily Practice · Higher

Daily Practice - Higher

28th December 1996

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

1
Probability Trees3 marks
1 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 4, lower quartile 12, median 15, upper quartile 19 and maximum 23. Work out the interquartile range.
3
Reverse Percentages3 marks
A bill is £120 including VAT at 20%. Work out the amount before VAT.
4
Trigonometric and Exponential Graphs2 marks
The curve y = 4^x is drawn. Work out y when x = 3, 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 = 6, y = 288. Work out y when x = 2.

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