This is a problem from 97 AGRE,Can anybody please explain how to solve this?
In a packet delivery system, a packet is
retransmitted when lost, till it
is successfully transmitted. If the probability of
loss is C, and
retransmissions are independent, what is the expected
number of unsuccessful
transmission before a successful transmission:
A. 1/(1-C) B. C/(1-C) C. 1/(1-C)^2 D. C E. 1-C