Daily Practice

Higher

14th April 1966

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

1
Repeated Percentage Change3 marks
A town's population is 40000 and grows by 3% each year. Work out the population after 4 years, to the nearest whole number.
2
Vectors3 marks
a is the column vector (3, 3) and b is (2, 4). Work out 2a - 2b as a column vector.
3
Probability Trees3 marks
5 of 7 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 10 units wide and contains 15 values. Work out the frequency density.
5
Fractional and Negative Indices2 marks
Write 3^-1 as a fraction.

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