![An information source generates symbols at random from a four-letter alphabet (a, b,c,d with probabilities Pr[a] 5/9. PT固ー2/9](https://media.cheggcdn.com/media%2Fe14%2Fe149586a-3eef-44f6-9b98-e54f12c39d1b%2Fphp674IAK.png)
An information source generates symbols at random from a four-letter alphabet (a, b,c,d with probabilities Pr[a] 5/9. PT固ー2/9, Pr[e]ー1/9, Prld-1/9. A coding scheme encodes these symbols into binary codes as follows: a: 0 b: 10 c: 110 d: 111 Compute the expected length of the encoding of n letters generated by the information source. You may use any method you like, but must show your work/justify your answer. Show transcribed image text
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