If you need any help whatsoever, I would love to help.
The first question is (7)
Answer:
The right answer is "0.3193".
Step-by-step explanation:
According to the question,
Mean,


As we know,
The cumulative distributive function will be:
⇒ 
hence,
In the first 5 years, the probability of failure will be:
⇒ 



