Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
1st November 2024
- 1Conditional Probability3 marks
24 students study Spanish and 4 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Capture Recapture2 marks
A capture-recapture estimate is made of the beetle population of a woodland. State one assumption the method relies on.
- 3The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 3 digits (0 to 9), and repeats are allowed. How many codes are possible?
- 4Solving Quadratics3 marks
Solve x^2 - x - 42 = 0.
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 8, y = 56. Work out y when x = 5.
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