1. A

    Erlang's loss system, the B-formula - Problem

    Hello, Here's how the problem goes "The loss in the group of s = 30 channels is B(30, y) = 0.2. What would be the loss in the selective selection of traffic of the same intensity if in the previous situation you used a) the first 15 common channels b) the last 15 common channels". The part that...
  2. X

    Deriving the form of the best size for exponential distribution

    Hi everyone So in this question I am told that a supermarket claims that the mean time to serve a customer is equal to 4 mins.However, a customer claims it is greater than 4 mins. I am asked based off a sample of n=9, determine the form of the best test of which has size of a=0.05 So I...