Daily Practice · Higher

Daily Practice - Higher

22nd August 1996

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

1
Repeated Percentage Change3 marks
A town's population is 30000 and grows by 3% each year. Work out the population after 2 years, to the nearest whole number.
2
Vectors3 marks
a is the column vector (0, 6) and b is (2, 1). Work out 4a - 5b as a column vector.
3
Probability Trees3 marks
3 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 20 units wide and contains 40 values. Work out the frequency density.
5
Fractional and Negative Indices2 marks
Write 7^-2 as a fraction.

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