Daily Practice

Foundation

17th October 1972

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 0.1. It is thrown 100 times. How many heads would you expect?
2
Pie Charts2 marks
A pie chart shows 24 items. One sector has an angle of 105°. How many items does it represent?
3
Error Intervals2 marks
A number y is 77 when truncated to the nearest whole number. Write down the error interval for y.
4
Substitution2 marks
Work out the value of 4x - 3 when x = -4.
5
Percentages2 marks
Work out 25% of 400.

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