Daily Practice

Higher

12th October 1989

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

1
Conditional Probability3 marks
26 students study Spanish and 8 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 20 values. Work out the frequency density.
3
The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 3 digits (0 to 9), and repeats are allowed. How many codes are possible?
4
Inequalities on Graphs3 marks
Does the point (2, 4) satisfy y > 2x + 2?
5
Repeated Percentage Change3 marks
A town's population is 33000 and grows by 3% each year. Work out the population after 6 years, to the nearest whole number.

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