Daily Practice

Foundation

17th December 1957

5 questions · 10 marks · Grades 3-4 · 87 question types in this band

1
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.15. It is thrown 250 times. How many heads would you expect?
2
Stem and Leaf2 marks
A stem and leaf diagram has a single stem 2 with the leaves 0, 1, 2, 6, 9. Work out the median of the five values.
3
Error Intervals2 marks
A number y is 7 when truncated to the nearest whole number. Write down the error interval for y.
4
Substitution2 marks
Work out the value of 9x + 5 when x = 3.
5
Writing and Simplifying Ratio1 mark
Write the ratio 14 : 63 in its simplest form.

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