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Communication SystemsInformation Theory

The mutual information I(X;Y) is zero when X and Y are statistically?

  • AIdentical in every sample
  • BIndependent
  • CGaussian only
  • DPeriodic
Report an error
Correct Answer: B. Independent
Explanation: For statistically independent random variables, observing Y provides no information about X, so mutual information is zero.
Reference: Standard communication systems: mutual information
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