Question: Q3 (30%) A congested computer network has a 20% chance of losing a data packet and data packet losses are independent events. e IGHTED PRO

Q3 (30%) A congested computer network has a 20% chance of losing a data packet and data packet losses are independent events. e IGHTED PRO pro C V (a) What is the probability that you must send 3 packets until you get a packet arrives (i.e., the first two packets are lost and the third packet arrives)? @ NTEN TEU COPY (b) If you send 20 packets, what is the probability that at least 2 packet arrives? (c) If you send 20 packets, calculate the mean and variance of the number of arrived packets

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