A driving school claims an average test pass rate of 76.8 per cent.
What is the least number of pupils required to achieve this result?
Spoiler
The answer is 125 as we need 96 passes out of 125 to get an average of 76.8%
The Driving School
The answer is 125 as we need 96 passes out of 125 to get an average of 76.8%
Leave a Reply