What is the probability of selecting 6 letters are there without repeats and contain at least 1 vowel, given the set of 6 letter sequence without repeats?

Question

What is the probability of selecting 6 letters are there without repeats and contain at least 1 vowel, given the set of 6 letter sequence without repeats? using the word terminal. 

 

Sorry for the wording. This is how they are on my worksheet. 

Answer 1

Sorry, the written form that you have submitted is somewhat garbled and cannot be answered. To fix, keep Clarity in mind as a primary goal. This can be clearer when you make a series of declarative sentences defining the situation. Avoid this run-on sentence structure!  Review & edit before submitting the next version of this.