Daily Practice

Foundation

19th March 1985

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 0.25. It is thrown 100 times. How many heads would you expect?
2
Frequency Trees3 marks
190 students were asked how they travel. 30 walked, and of those 15 were late. How many walkers were on time?
3
Error Intervals2 marks
A number y is 59 when truncated to the nearest whole number. Write down the error interval for y.
4
Substitution2 marks
Work out the value of 7x - 10 when x = -5.
5
Real Life and Distance Time Graphs2 marks
Sanjay drives 160 km in 2 hours. Work out the average speed in km/h.

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