Daily Practice · Higher

Daily Practice - Higher

21st October 1993

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
4 of 9 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 5 units wide and contains 2.5 values. Work out the frequency density.
3
Fractional and Negative Indices3 marks
Work out 100^(3/2).
4
Factorising Harder Quadratics3 marks
Factorise 16x^2 - 8x + 1.
5
Repeated Percentage Change3 marks
A town's population is 26000 and grows by 3% each year. Work out the population after 3 years, to the nearest whole number.

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