Daily Practice

Foundation Plus

23rd February 1955

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

1
Percentages2 marks
Work out 25% of 60.
2
Vectors2 marks
a is the column vector (2, -8) and b is (-4, -1). Work out a + b as a column vector.
3
Probability Trees3 marks
1 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Two Way Tables3 marks
Of 82 students, 41 study French, 34 study German and 11 study both. How many study neither?
5
Error Intervals2 marks
A number y is 39 when truncated to the nearest whole number. Write down the error interval for y.

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