Daily Practice

Foundation

8th May 1979

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 0.15. It is thrown 50 times. How many heads would you expect?
2
Two Way Tables3 marks
In a group of 70 students, 50 are boys. 15 boys and 5 girls bring a packed lunch. How many students do not?
3
Error Intervals2 marks
A number y is 11 when truncated to the nearest whole number. Write down the error interval for y.
4
Substitution2 marks
Work out the value of 6x + 1 when x = -4.
5
Scale Drawings2 marks
A map has a scale of 1 : 25000. Two villages are 9 cm apart on the map. How far apart are they in real life, in km?

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