Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

23rd July 2009

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

1
Conditional Probability3 marks
27 students study Spanish and 8 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Histograms2 marks
A histogram class is 10 units wide and contains 25 values. Work out the frequency density.
3
The Product Rule for Counting2 marks
A meal deal has 5 mains, 3 sides and 6 drinks. How many different meals are possible?
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 3x - 4, work out y when x = -4.
5
Repeated Percentage Change3 marks
A town's population is 17000 and grows by 3% each year. Work out the population after 2 years, to the nearest whole number.

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