Daily Practice

Foundation

29th September 1987

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 0.2. It is thrown 50 times. How many heads would you expect?
2
Frequency Trees3 marks
130 students were asked how they travel. 80 walked, and of those 25 were late. How many walkers were on time?
3
Estimating2 marks
Estimate 261 x 12 by rounding each number to 1 significant figure.
4
Substitution2 marks
Work out the value of 3x + 5 when x = 1.
5
Percentages2 marks
Work out 75% of 40.

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