Daily Practice · Higher

Daily Practice - Higher

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

28th October 2010

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

1
Probability Trees3 marks
4 of 6 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 10 units wide and contains 30 values. Work out the frequency density.
3
The Product Rule for Counting2 marks
A meal deal has 6 mains, 6 sides and 6 drinks. How many different meals are possible?
4
Equation of a Line3 marks
A line has gradient -4 and passes through (2, -6). Work out its equation.
5
Repeated Percentage Change3 marks
A town's population is 35000 and grows by 3% each year. Work out the population after 4 years, to the nearest whole number.

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