Daily Practice

Higher

30th August 1963

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

1
Conditional Probability3 marks
18 students study Spanish and 9 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 snail population of a hedgerow. State one assumption the method relies on.
3
The Product Rule for Counting2 marks
A meal deal has 3 mains, 7 sides and 4 drinks. How many different meals are possible?
4
Quadratic Formula3 marks
Use the quadratic formula to solve 3x^2 - 11x - 9 = 0, to 2 decimal places.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 28. Work out y when x = 4.

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