Daily Practice

Foundation

2nd June 1981

5 questions · 12 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
180 students were asked how they travel. 40 walked, and of those 5 were late. How many walkers were on time?
3
Error Intervals2 marks
A number y is 68 when truncated to the nearest whole number. Write down the error interval for y.
4
Substitution2 marks
Work out the value of 2x + 9 when x = -5.
5
Percentages2 marks
Work out 30% of 180.

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