Send it to me and I'd be happy to help! :)
Answer:
109 :P
Step-by-step explanation:
A. the first one will give you a perpendicular line to BA
3/4 and 75/100 are the correct answers
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

