Daily Practice

Foundation

3rd January 1989

5 questions · 11 marks · Grades 3-4 · 87 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
Frequency Trees3 marks
150 students were asked how they travel. 30 walked, and of those 5 were late. How many walkers were on time?
3
Error Intervals2 marks
A number y is 26 when truncated to the nearest whole number. Write down the error interval for y.
4
Substitution2 marks
Work out the value of 2x + 2 when x = 6.
5
Writing and Simplifying Ratio1 mark
Write the ratio 15 : 25 in its simplest form.

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