Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

30th October 1997

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

1
Conditional Probability3 marks
20 students study Spanish and 9 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Histograms2 marks
A histogram class is 10 units wide and contains 40 values. Work out the frequency density.
3
Bounds2 marks
A mass is 6.2 kg, correct to 1 decimal place. Write down the upper bound.
4
Quadratic Formula3 marks
Use the quadratic formula to solve 3x^2 - 9x - 4 = 0, to 2 decimal places.
5
Repeated Percentage Change3 marks
A town's population is 34500 and grows by 8% each year. Work out the population after 2 years, to the nearest whole number.

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