Daily Practice

Higher

23rd April 1976

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
30 students study Spanish and 10 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture2 marks
A capture-recapture estimate is made of the fish population of a pond. State one assumption the method relies on.
3
The Product Rule for Counting2 marks
A meal deal has 9 mains, 4 sides and 2 drinks. How many different meals are possible?
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 3x + 7, work out y when x = -4.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 8, y = 88. Work out y when x = 4.

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