Daily Practice

Higher

6th September 1984

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

1
Repeated Percentage Change3 marks
A town's population is 2500 and grows by 6% each year. Work out the population after 5 years, to the nearest whole number.
2
Vectors3 marks
a is the column vector (-2, 0) and b is (2, 4). Work out 4a - 2b as a column vector.
3
Probability Trees3 marks
3 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Histograms2 marks
A histogram class is 5 units wide and contains 20 values. Work out the frequency density.
5
The Product Rule for Counting2 marks
A meal deal has 7 mains, 3 sides and 2 drinks. How many different meals are possible?

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