Daily Practice · Higher

Daily Practice - Higher

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

2nd July 2021

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

1
Probability Trees3 marks
7 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 snail population of a hedgerow. State one assumption the method relies on.
3
Bounds2 marks
A mass is 19.1 kg, correct to 1 decimal place. Write down the lower bound.
4
Simultaneous Equations3 marks
4 teas and 4 cakes cost £16.20. 4 teas and 5 cakes cost £19.45. 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 = 6.

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