Daily Practice · Higher

Daily Practice - Higher

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

19th November 2015

5 questions · 13 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
Histograms2 marks
A histogram class is 2 units wide and contains 6 values. Work out the frequency density.
3
The Product Rule for Counting2 marks
A meal deal has 4 mains, 8 sides and 6 drinks. How many different meals are possible?
4
Factorising Harder Quadratics3 marks
Factorise 5x^2 + 7x + 2.
5
Repeated Percentage Change3 marks
A town's population is 8500 and grows by 4% each year. Work out the population after 4 years, to the nearest whole number.

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