Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

15th November 2002

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

1
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.
2
Capture Recapture2 marks
A capture-recapture estimate is made of the moth population of a meadow. State one assumption the method relies on.
3
The Product Rule for Counting2 marks
A meal deal has 6 mains, 7 sides and 5 drinks. How many different meals are possible?
4
Factorising Harder Quadratics3 marks
Factorise 10x^2 + 23x - 5.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 24. Work out y when x = 10.

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