Exercises 6
Problem 1
We are considering the lifetime,
T
of a component:
T
∼ exp(
λ
= 1/MTTF=1/80)
Find
a) Pr(
T
> 40)
b) Pr(
T
> 80|
T
> 40)
Problem 2
Same as Problem 1, but with
T
∼ Weibull(MTTF=80, α=4)
Hint:
λ
= Γ(1+1/
α
) / MTTF.