Daily Practice

Higher

16th November 1987

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
13 students study Spanish and 6 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 104 values. What cumulative frequency do you read across from to estimate the lower quartile?
3
The Product Rule for Counting2 marks
A meal deal has 8 mains, 3 sides and 3 drinks. How many different meals are possible?
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 2x - 8, work out y when x = 4.
5
Repeated Percentage Change3 marks
A price rises by 25% and then falls by 20%. Work out the overall percentage change, to 2 decimal places.

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