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Aloha | Computer Networks

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Consider a network uses the slotted ALOHA medium access control protocol and network have 5 active nodes. Assume, each node attempts to transmit a frame in each slot with probability 0.2 and this frame can be new or old collided frame. The probability of successful transmission of a frame from any node in a given slot is (Rounded off upto two decimal places)

Ans : 0.4096

Please Explain

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Ans. 5∁1*((0.2)^1)*((0.4)^4)   Take any Node out of 5 is 5c1 then at this time only this can transmit with probability 0.2 and other 4 node should not transmit with probability (0.8)^4
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