Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

12th September 1992

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

1
Ratio2 marks
Red and blue raffle tickets are in the ratio 2 : 7. There are 6 red raffle tickets. How many raffle tickets are there altogether?
2
Vectors2 marks
a is the column vector (3, -5) and b is (-4, -4). Work out a + b as a column vector.
3
Probability Trees3 marks
3 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Scatter Graphs2 marks
A scatter graph plots a person's shoe size and their height. What type of correlation would you expect?
5
Error Intervals2 marks
A number y is 23 when truncated to the nearest whole number. Write down the error interval for y.

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