Find solutions to your problems with the help of IDNLearn.com's knowledgeable users. Discover comprehensive answers to your questions from our community of knowledgeable experts.

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