Daily Practice · Higher

Daily Practice - Higher

13th June 1995

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

1
Probability Trees3 marks
3 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Capture Recapture3 marks
20 fish are marked and released. Later 24 are caught, of which 3 are marked. Estimate the population.
3
Surds2 marks
Write sqrt(48) in the form a sqrt(b), where b is as small as possible.
4
Equation of a Line3 marks
A line has gradient 4 and passes through (6, 28). Work out its equation.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 8. Write y in terms of x.

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