Daily Practice

Foundation Plus

18th February 1978

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 50 times. How many heads would you expect?
2
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 68 values. What cumulative frequency do you read across from to estimate the lower quartile?
3
Standard Form2 marks
Write 0.00000231 in standard form.
4
Substitution3 marks
Use v = u + at with u = 5, a = 6 and t = 3. Work out v.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 16. Work out y when x = 6.

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