Question: The letter A coded in ASCII is transmitted over a binary symmetric channel with bit error probability p. Compute the probability that the ASCII letter

  1. The letter A coded in ASCII is transmitted over a binary symmetric channel with bit error probability p. Compute the probability that the ASCII letter B is received.
  2. The ASCII letter A is transmitted over the binary symmetric erasure channel with error probability p and erasure probability q. Compute the probability that the received character is unreadable.

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