SOLUTION: Stinky is taking a seven-question true-false test, and he does not know any of the answers so he is just going to guess. He overheard the teacher saying that there were four “true

Algebra ->  Permutations -> SOLUTION: Stinky is taking a seven-question true-false test, and he does not know any of the answers so he is just going to guess. He overheard the teacher saying that there were four “true      Log On


   



Question 429259: Stinky is taking a seven-question true-false test, and he does not know any of the answers so he is just going to guess. He overheard the teacher saying that there were four “trues” and three “falses.” In how many different ways can he fill out his scantron if he puts four T’s and four F’s?
Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!
no. of ways to put 4 T and 3 F = 7!/ [4!*3!]

= 35