Daily Practice

Foundation Plus

19th November 1984

5 questions · 13 marks · Grades 4-6 · 128 question types in this band

1
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 100 times. How many heads would you expect?
2
Averages from Frequency Tables2 marks
Grouped data has five classes of width 5, the first being 10 < x <= 15. The frequencies in order are 16, 7, 21, 3, 11. Write down the modal class.
3
Standard Form2 marks
Write 2130 in standard form.
4
Inequalities on Graphs3 marks
Does the point (5, -19) satisfy y > -4x - 4?
5
Repeated Percentage Change3 marks
A town's population is 22500 and grows by 8% each year. Work out the population after 3 years, to the nearest whole number.

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