Daily Practice

Foundation

22nd July 1975

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 0.15. It is thrown 200 times. How many heads would you expect?
2
Two Way Tables3 marks
In a group of 130 students, 70 are boys. 20 boys and 20 girls bring a packed lunch. How many students do not?
3
Error Intervals2 marks
A number y is 27 when truncated to the nearest whole number. Write down the error interval for y.
4
Substitution2 marks
Work out the value of 7x - 7 when x = 2.
5
Conversions and Units1 mark
Convert 7.5 litres into ml.

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