All irrational numbers are real numbers. ☺
The answer is 2.625$ rounded up to 2.63$
I think the answer is b if not i’m really sorry
B....................................................
Answer: Our required probability is 0.39.
Step-by-step explanation:
Since we have given that
X be the exponentially distributed with mean life = 6 years
So, E[x]=6

So, our cumulative distribution function would be

We need to find the probability that the CPU fails within 3 years.

Hence, our required probability is 0.39.