Daily Practice

Foundation

28th June 1983

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 0.4. It is thrown 50 times. How many heads would you expect?
2
Frequency Trees3 marks
110 people were surveyed. 60 were adults, of whom 30 said yes. 10 of the children said yes. How many said yes altogether?
3
Error Intervals2 marks
A number y is 25 when truncated to the nearest whole number. Write down the error interval for y.
4
Substitution2 marks
Work out the value of 5x + 12 when x = -4.
5
Real Life and Distance Time Graphs2 marks
Jacob drives 180 km in 4 hours. Work out the average speed in km/h.

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