The second question:

What is the channel capacity of binary symmetric channel? c = 1-H(p)= 1-(-0.98 log 0.98-0.02 log 0.02)= 0.8586？ Bits/symbols.

What is the information content of the source (message sequence)? 14000? Symbol? *? H( 1/2)？ =? 14000? Bit? ; If this message sequence is transmitted in 10 seconds, how many symbols per second do you need to transmit? 14000bit？ /? 10？ = 1400? Bits per second? ; ? What is the data rate of the input channel? R= 1400？ Bits per second? /? 1500? Symbol? =0.9333? What about bits/symbols? R>c, according to the channel coding theorem? (Shannon's second theorem), messages cannot be transmitted without distortion.