Daily Practice

Foundation Plus

22nd April 1990

5 questions · 12 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 250 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 3, 21, 7, 11, 16. Write down the modal class.
3
Standard Form2 marks
Write 0.000501 in standard form.
4
Inequalities on Graphs3 marks
Does the point (1, 0) satisfy y > -3x - 5?
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 9. Write y in terms of x.

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