... K) R = K/N2 (3, 1) 1/3 repetition code R33 (7, 4) 4/ 7 (7, 4) Hamming code 4 (15, 11) 11/155 (31, 26) 26/316 (63, 57) 57/63Exercise 13 .4. [2, p.223]What is the probability of block error ... distribution is Normal(0, v + σ2), since x and the noiseare independent random variables, and variances add for independent randomvariables. The mutual information is:I(X; Y ) =dx dy P(x)P ... log P (y) (11 .41 )=12log1σ2−12log1v + σ2(11 .42 )=12log1 +vσ2. (11 .43 )Solution to exercise 11 .4 (p.186). The capacity of the channel is one minusthe information content...