Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
21st December 2018
- 1Probability Trees3 marks
3 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 2Capture Recapture2 marks
A capture-recapture estimate is made of the ladybird population of a garden. State one assumption the method relies on.
- 3Bounds2 marks
A mass is 62 kg, correct to the nearest whole number. Write down the upper bound.
- 4Equation of a Line3 marks
A line has gradient 3 and passes through (1, -2). Work out its equation.
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 36. Work out y when x = 5.
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