Patricia frequently misspells the word MISSPELL. How many ways are there to misspell the word MISSPELL if all of the correct letters are used, but are placed in the wrong order?
There are 8!/(2!*2!) = 10080 ways to arrange the letters of MISSPELL. There is only 1 right way to spell MISSPELL correctly so there are 10080-1 = 10079 ways to spell MISSPELL incorrectly.