Daily Practice

Foundation

12th November 1974

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 0.1. It is thrown 200 times. How many heads would you expect?
2
Frequency Polygons2 marks
A frequency polygon has plotted frequencies of 6, 8, 2 and 3. How many values are in the whole data set?
3
Error Intervals2 marks
A number y is 47 when truncated to the nearest whole number. Write down the error interval for y.
4
Substitution2 marks
Work out the value of 6x - 7 when x = -4.
5
Real Life and Distance Time Graphs2 marks
Yusuf drives 80 km in 2 hours. Work out the average speed in km/h.

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