Daily Practice

Foundation Plus

6th October 1989

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 0.4. It is thrown 50 times. How many heads would you expect?
2
Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 0 < x <= 10. The frequencies in order are 16, 21, 3, 7, 11. Write down the modal class.
3
Standard Form2 marks
Write 76700000 in standard form.
4
Inequalities on Graphs3 marks
Does the point (-2, 14) satisfy y > -3x + 7?
5
Proportion2 marks
5 identical notebooks cost £12.25. Work out the cost of 9 of the same notebooks.

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