Daily Practice

Foundation Plus

16th December 1972

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 200 times. How many heads would you expect?
2
Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 20 < x <= 30. The frequencies in order are 7, 11, 21, 16, 3. Write down the modal class.
3
Standard Form2 marks
Write 0.000000922 in standard form.
4
Inequalities on Graphs3 marks
Does the point (4, -4) satisfy y > -2x + 8?
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 24. Work out y when x = 3.

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