Daily Practice · Higher

Daily Practice - Higher

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

24th October 1997

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

1
Probability Trees3 marks
6 of 8 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 4 drinks. How many different meals are possible?
4
Equation of a Line3 marks
A line has gradient 5 and passes through (2, 8). Work out its equation.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 2, y = 20. Work out y when x = 7.

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