Daily Practice

Foundation Plus

22nd March 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 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 5 < x <= 10. The frequencies in order are 3, 11, 21, 16, 7. Write down the modal class.
3
Standard Form2 marks
Write 16500 in standard form.
4
Inequalities on Graphs3 marks
Does the point (2, 6) satisfy y > x - 1?
5
Percentages2 marks
Idris scored 28 out of 80 in a test. What percentage is this?

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