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A source produces 4 symbols with probability frac 1 2 frac...

This question belongs to Electronics And Communications Engineering Information Theory And Coding
Information Theory and Coding
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A source produces 4 symbols with probability $$\frac{1}{2},\frac{1}{4},\frac{1}{8}$$   and $$\frac{1}{8}$$  For this source, a practical coding scheme has an average codeword length of 2 bits/symbols. The efficiency of the code is

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Correct Answer: Option B
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