Daily Practice · Higher

Daily Practice - Higher

4th August 1995

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 9, y = 27. Work out y when x = 6.
2
Vectors3 marks
a is the column vector (-5, 6) and b is (-4, 1). Work out 4a - 3b as a column vector.
3
Probability Trees3 marks
5 of 9 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 beetle population of a woodland. State one assumption the method relies on.
5
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.7272... as a fraction in its simplest form.

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