It depends on whether you are talking about Scrabble or Super Scrabble, and what language version of the game you are referring to. The original English game has a letter distribution as follows: A-9...
Of the 100 total tiles, there are: 9 letter A 2 letter C 2 letter B 12 letter E 4 letter D 3 letter G 2 letter F 9 letter I 2 letter H 1 letter K 1 letter J 2 letter M 4 letter L 8 letter O 6 letter...