willmoore21
Junior Member
- Joined
- Jan 26, 2012
- Messages
- 75
1.Let X be a gamma random variable Γ(r = 2, λ = 6). Find the value a such that P(X < a) = 0.95.
I am not sure how to do this.
I think that I use fx(x)=(lambda^r)/R(r)*x^(r-1)exp(-lambdax)
But I'm not sure if I'm supposed to integrate it or what. Maybe this is the wrong formula?
Thanks
I am not sure how to do this.
I think that I use fx(x)=(lambda^r)/R(r)*x^(r-1)exp(-lambdax)
But I'm not sure if I'm supposed to integrate it or what. Maybe this is the wrong formula?
Thanks