Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

18th April 1996

5 questions · 12 marks · Grades 4-6 · 128 question types in this band

1
Best Buy Questions3 marks
A pack of 7 pencils costs £2.80. A pack of 14 costs £4.90. Which pack is better value?
2
Angles in Polygons2 marks
A regular polygon has an exterior angle of 72°. How many sides does it have?
3
Probability Trees3 marks
1 of 10 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 6, lower quartile 15, median 17, upper quartile 20 and maximum 23. Work out the interquartile range.
5
Error Intervals2 marks
A number y is 30 when truncated to the nearest whole number. Write down the error interval for y.

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