Daily Practice

Foundation

24th May 1977

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
Frequency Polygons2 marks
A frequency polygon has plotted frequencies of 10, 12, 6 and 10. How many values are in the whole data set?
3
Estimating2 marks
Estimate 166 x 28 by rounding each number to 1 significant figure.
4
Substitution2 marks
Work out the value of 6x - 5 when x = -2.
5
Percentages2 marks
Work out 15% of 100.

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