Daily Practice

Foundation Plus

16th November 1971

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 20 < x <= 25. The frequencies in order are 11, 7, 16, 21, 3. Write down the modal class.
3
Standard Form2 marks
Write 0.000955 in standard form.
4
Inequalities on Graphs3 marks
Does the point (-1, 11) satisfy y > -2x + 8?
5
Compound Interest and Depreciation3 marks
£1800 is invested at 4% compound interest per year. Work out the value after 3 years, to the nearest penny.

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