A farmer classifies his carrots as 'small', 'medium' or

Last updated: 7/14/2022

A farmer classifies his carrots as 'small', 'medium' or 'large'. His harvest follows a normal distribution, with a mean length of 15 cm and standard deviation 5 cm. If 18% of his carrots are classified as small, what is the longest carrot in the small classification? Give your answer correct to 3 significant figures.