ARGUMENT #1:

1) 25% of heavy drug users die. 2) Bob is a heavy drug user. ---------------------------- 3) Thus, Bob will probably die.

1. ARGUMENT #2:
2. 1) 75% of heavy drug users die. 2) Bob is a heavy drug user. ---------------------------- 3) Thus, Bob will probably die.
3. (#1 and #2) whether it is weak or strong . why is the argument weak, or strong?
4. Read the following arguments:
   1. ARGUMENT #3:
   2. 1) 25% of heavy drug users die. (Suppose this premise is in fact true). 2) Bob is a heavy drug user. (Suppose this premise is in fact true). ----------------------------------- 3) Thus, Bob will probably die.
5. ARGUMENT #4:

1) 75% of heavy drug users die. (Suppose this premise is in fact true). 2) Bob is a heavy drug user. (Suppose this premise is in fact true). ----------------------------------- 3) Thus, Bob will probably die.

(#3 and #4), whether it is cogent or not cogent. Why is the argument cogent or not cogent?