Daily Practice

Foundation

10th March 1981

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 500 times. How many heads would you expect?
2
Frequency Polygons2 marks
A frequency polygon has plotted frequencies of 6, 11, 9 and 3. How many values are in the whole data set?
3
Estimating2 marks
Estimate 542 x 13 by rounding each number to 1 significant figure.
4
Substitution2 marks
Work out the value of 3x + 9 when x = 7.
5
Real Life and Distance Time Graphs2 marks
Rhys drives 100 km in 2 hours. Work out the average speed in km/h.

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