Daily Practice

Foundation

19th February 1963

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 100 times. How many heads would you expect?
2
Scatter Graphs2 marks
A scatter graph plots a car's engine size and the miles it does per gallon. What type of correlation would you expect?
3
Error Intervals2 marks
A number y is 57 when truncated to the nearest whole number. Write down the error interval for y.
4
Substitution2 marks
Work out the value of 5x - 7 when x = 2.
5
Writing and Simplifying Ratio1 mark
Write the ratio 32 : 40 in its simplest form.

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