Why you are not allowed to say that your 95% confidence interval contains the true parameter with a probability of 95%

A shibboleth is a custom, such as a choice of phrasing, that distinguishes one group of people from another. The term goes back to the Hebrew Bible, in which the inhabitants of Gilead identify members of the tribe of Ephraim by the way they pronounce the word “shibboleth” (Hebrew for the part of the