Daily Practice

Foundation Plus

1st March 1969

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 0.4. It is thrown 200 times. How many heads would you expect?
2
Averages from Frequency Tables2 marks
Grouped data has five classes of width 5, the first being 0 < x <= 5. The frequencies in order are 11, 21, 3, 7, 16. Write down the modal class.
3
Standard Form2 marks
Write 89000000 in standard form.
4
Inequalities on Graphs3 marks
Does the point (-4, -10) satisfy y > 3x - 1?
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 21. Work out y when x = 5.

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