Daily Practice

Foundation Plus

16th October 1970

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 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 10 < x <= 20. The frequencies in order are 16, 21, 7, 3, 11. Write down the modal class.
3
Standard Form2 marks
Write 2490000 in standard form.
4
Inequalities on Graphs3 marks
Does the point (1, -6) satisfy y > -3x - 4?
5
Proportion2 marks
4 identical batteries cost £8.60. Work out the cost of 3 of the same batteries.

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