Daily Practice

Foundation

3rd March 1964

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
Two Way Tables3 marks
In a group of 60 students, 20 are boys. 5 boys and 5 girls bring a packed lunch. How many students do not?
3
Error Intervals2 marks
A number y is 51 when truncated to the nearest whole number. Write down the error interval for y.
4
Substitution2 marks
Work out the value of 5x - 8 when x = 5.
5
Percentages2 marks
Work out 40% of 120.

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