Daily Practice · Higher

Daily Practice - Higher

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

31st July 2020

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

1
Probability Trees3 marks
3 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 newt population of a stream. State one assumption the method relies on.
3
The Product Rule for Counting2 marks
A meal deal has 5 mains, 6 sides and 4 drinks. How many different meals are possible?
4
Simultaneous Equations3 marks
3 teas and 1 cake cost £7.65. 4 teas and 5 cakes cost £18.45. Find the price of a tea.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 9, y = 72. Work out y when x = 12.

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