Daily Practice · Higher

Daily Practice - Higher

25th December 1992

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

1
Probability Trees3 marks
2 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Capture Recapture2 marks
A capture-recapture estimate is made of the ladybird population of a garden. State one assumption the method relies on.
3
Standard Form2 marks
Work out (2 x 10^5) x (5 x 10^-3). Give your answer in standard form.
4
Simultaneous Equations3 marks
4 teas and 1 cake cost £10.55. 3 teas and 2 cakes cost £10.10. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 42. Work out y when x = 10.

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