Daily Practice

Foundation

17th January 1967

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 500 times. How many heads would you expect?
2
Frequency Trees3 marks
170 people were surveyed. 60 were adults, of whom 15 said yes. 45 of the children said yes. How many said yes altogether?
3
Estimating2 marks
Estimate 766 x 39 by rounding each number to 1 significant figure.
4
Substitution2 marks
Work out the value of 8x - 7 when x = 1.
5
Percentages2 marks
Work out 30% of 200.

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