1.

A message is made up entirely of characters from the set X = {P,Q,R,S,T}. The table of probabilities for each of the characters is shown below:
Character Probability
P0.22
Q0.34
R0.17
S0.19
T0.08
Total 1.00

If a message of 100 characters over X is encoded using Huffman coding, then the expected length of the encoded message in bits is ________.

A. 125
B. 225
C. 525
D. 121
Answer» C. 525


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