Daily Practice

Foundation

13th January 1970

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 500 times. How many heads would you expect?
2
Frequency Trees3 marks
200 students were asked how they travel. 70 walked, and of those 35 were late. How many walkers were on time?
3
Error Intervals2 marks
A number y is 4 when truncated to the nearest whole number. Write down the error interval for y.
4
Substitution2 marks
Work out the value of 8x + 11 when x = -2.
5
Writing and Simplifying Ratio1 mark
Write the ratio 27 : 45 in its simplest form.

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