Daily Practice

Foundation

25th September 1990

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 0.2. It is thrown 50 times. How many heads would you expect?
2
Two Way Tables3 marks
In a group of 60 students, 40 are boys. 10 boys and 10 girls bring a packed lunch. How many students do not?
3
Error Intervals2 marks
A number y is 33 when truncated to the nearest whole number. Write down the error interval for y.
4
Substitution2 marks
Work out the value of 4x + 8 when x = -3.
5
Writing and Simplifying Ratio1 mark
Write the ratio 6 : 9 in its simplest form.

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