Daily Practice

Higher

5th January 1967

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

1
Conditional Probability3 marks
19 students study Spanish and 7 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 5 units wide and contains 2.5 values. Work out the frequency density.
3
The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 4 digits (0 to 9), and repeats are allowed. How many codes are possible?
4
Solving Quadratics3 marks
Solve x^2 - 17x + 72 = 0.
5
Repeated Percentage Change3 marks
A town's population is 5000 and grows by 5% each year. Work out the population after 4 years, to the nearest whole number.

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