Assume that there are 8 rats in the cage: 6 trained and 2 untrained. a rat is removed from the cage and it is noted whether or not it is trained. it is then placed in a different cage. 4 more rats are removed and treated the same way. how many outcomes are possible for this experiment?
(1) which of the following is not a valid outcome for this experiment?
a. uuttu
b. uttut
c. tuttt
(2) how many outcomes are possible for this experiment?