Answer:
-1/2
negative
Step-by-step explanation:
Answer:
u r correct
look at the picture I sent
458
the answer is the last one
Answer:
For the given explanation we see that two life times are not independent
Step-by-step explanation:
probability for X (for x≥ 0)


e⁻ˣ
Probability for X exceed 3
= 
= 
= 
probabilty for y≥ 0 is

