ransmission. Morse code uses dots and dashes, which are known to occur in he pro

Question

ransmission. Morse code uses dots and dashes, which are known to occur in he propor on o 4:3 his means that or any given symbo dot sent -4/7 and P dash sent = 3/7 Un ortunate Suppose there is interterence on the transmission line, and with probability 18 a dot is mistakenly received as a dash, and vice versa when coded messages dre sent, there are sometimes errors in a) What is the probability that the received symbol is a dot? 0.5536 0.4464 0.8750o h) Givan that wa recaivad a dat, what is tha prahability that it actually is a dat? 0.0963 0.9032 0.8750 1.0000

Explanation / Answer

a) (1/8)*(4/7) + (7/8)*(3/7) = 4/56 + 21/56 = 0.4464
Correct answer: Option (C) 0.4464
b) 1 - 7/8= 0.875
Correct answer: Option (C) 0.875

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