A simple binary communication channel carries messages by using only two
the time a1 is transmitted;the probability that a transmitted 0 is correctly
received is 0.90,and the probability that a transmitted 1 is incorrectly received
is 0.95. Determine (a) the probability of a1 being received, and (b) given a1
signals, say 0 and 1.We assumenthat, for a given binary channel, 40% of
is received, the probability that 1 was transmitted.
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