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When probability of error during transmission is 0.5, it indicates that

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When probability of error during transmission is 0.5, it indicates that

(a) Channel is very noisy

(b) No information is received

(c) Channel is very noisy & No information is received

(d) None of the mentioned

This question was posed to me in a job interview.

This intriguing question originated from Information and Coding in division Error Detection & Channel Coding of Digital Communications

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Right answer is (c) Channel is very noisy & No information is received

To explain I would say: When probability of error during transmission is 0.5 then the channel is very noisy and thus no information is received.

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