Daily Practice

Foundation Plus

8th August 1961

5 questions · 11 marks · Grades 4-6 · 128 question types in this band

1
Writing and Simplifying Ratio2 marks
Write the ratio 7 : 63 in the form 1 : n.
2
Angles in Polygons2 marks
A regular polygon has an exterior angle of 24°. How many sides does it have?
3
Probability Trees3 marks
4 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Box Plots2 marks
A box plot has minimum 14, lower quartile 21, median 29, upper quartile 32 and maximum 35. Work out the interquartile range.
5
Error Intervals2 marks
A number y is 90 when truncated to the nearest whole number. Write down the error interval for y.

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