Daily Practice

Foundation Plus

20th January 1987

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 0.25. 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 5 < x <= 10. The frequencies in order are 11, 7, 3, 21, 16. Write down the modal class.
3
Standard Form2 marks
Write 2530000 in standard form.
4
Inequalities on Graphs3 marks
Does the point (0, 2) satisfy y > -4x - 2?
5
Compound Interest and Depreciation3 marks
£3600 is invested at 2% compound interest per year. Work out the value after 3 years, to the nearest penny.

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