IDNLearn.com makes it easy to get reliable answers from knowledgeable individuals. Our platform is designed to provide trustworthy and thorough answers to any questions you may have.

The lengths of footlong sub sandwiches at a local sub shop follow an approximately normal distribution with unknown mean
and standard deviation 0.2 inch. If 20% of these sandwiches are shorter than 11.7 inches, find the mean length u.
Mean
inches
(Round to 2 decimal