Daily Practice

Higher

1st April 1986

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

1
Probability Trees3 marks
1 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Capture Recapture3 marks
25 voles are marked and released. Later 15 are caught, of which 3 are marked. Estimate the population.
3
The Product Rule for Counting2 marks
A meal deal has 7 mains, 8 sides and 3 drinks. How many different meals are possible?
4
Equation of a Line3 marks
A line has gradient 5 and passes through (2, 7). Work out its equation.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 6. Write y in terms of x.

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