I am not able to understand Screenshot 2024-11-10 001526.png 153.84 KBI was doing this question i choses last option as it is stating everything like like expressing the pain and what are the equipment's that are used but solution explanation states that expressing feeling is extreme but in para also it is written that " it was terrible pain " so i don't know how it is wrong ?

i am not able to understand why havent we multiplied the probablities of meeting with an accident directly and instead why have multiplied the probalities of not meeting with an accident and then subtracted by 1

i am not able to understand why havent we multiplied the probablities of meeting with an accident directly and instead why have multiplied the probalities of not meeting with an accident and then subtracted by 1