Daily Practice · Higher

Daily Practice - Higher

29th November 1991

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 2, y = 22. Work out y when x = 4.
2
Vectors3 marks
a is the column vector (4, 6) and b is (3, 6). Work out 4a - 4b as a column vector.
3
Probability Trees3 marks
3 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Capture Recapture2 marks
A capture-recapture estimate is made of the newt population of a stream. State one assumption the method relies on.
5
The Product Rule for Counting2 marks
A meal deal has 9 mains, 3 sides and 2 drinks. How many different meals are possible?

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