Question: A Go-Back-N (GBN) ARQ scheme has been designed with window-size Ws = 11 such that it is fully efficient when there are no errors on

A Go-Back-N (GBN) ARQ scheme has been designed with window-size Ws = 11 such that it is fully efficient when there are no errors on the channel.

Assume that frame size is 10000 bits and the overhead bits are negligible. 

What is the bit probability error that makes the GBN ARQ 50% efficient?


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