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This challenge uses the mathematics of averaging and expectation, commonly encountered in S1 courses. There is an expectation of greater rigour in thinking than will be encountered at GCSE.
This mathematics follows on from mean, mode and median calculations.
Top Marks
Age 16 to 18
Challenge Level 
This challenge uses the mathematics of averaging and expectation, commonly encountered in S1 courses. There is an expectation of greater rigour in thinking than will be encountered at GCSE.
This mathematics follows on from mean, mode and median calculations.
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Given the mean and standard deviation of a set of marks, what is the greatest number of candidates who could have scored 100%?
