Lobsters In a study of the infestation of the Thenus orientalis lobster by two types...

Lobsters In a study of the infestation of the Thenus orientalis lobster by two types of barnacles, Octolasmis tridens and O. lowei, the carapace lengths (in millimeters) of 10 randomly selected lobsters caught in the seas near Singapore are measured:

Find a 95% confidence interval for the mean carapace length of the T. orientalis lobsters.