Answer:
Option C is correct.
Step-by-step explanation:
From given tree Diagram.
Total No of Outcome = 8
Let E be the event in which atleast 2 coins shoes tails.
Favorable outcome = { (H,T,T) , (T,H,T) , (T,T,H) , (T,T,T) }
⇒ No. of favorable outcome = 4


Therefore, Option C is correct.