Daily Practice · Higher

Daily Practice - Higher

20th October 1994

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

1
Repeated Percentage Change3 marks
A town's population is 5500 and grows by 5% each year. Work out the population after 4 years, to the nearest whole number.
2
Vectors3 marks
a is the column vector (4, -2) and b is (0, -4). Work out 3a - 2b as a column vector.
3
Probability Trees3 marks
6 of 8 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 2 units wide and contains 3 values. Work out the frequency density.
5
The Product Rule for Counting2 marks
A meal deal has 4 mains, 8 sides and 6 drinks. How many different meals are possible?

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