Daily Practice · Higher

Daily Practice - Higher

7th July 1995

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

1
Probability Trees3 marks
1 of 5 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 newt population of a stream. State one assumption the method relies on.
3
Standard Form2 marks
Work out (4 x 10^7) x (2 x 10^5). Give your answer in standard form.
4
Factorising Harder Quadratics3 marks
Factorise 4x^2 - 8x - 5.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 9, y = 36. Work out y when x = 14.

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