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Part CCSIR NET December 2024the-minimum-of-n-exponentials-has-rate-n

The minimum of n exponentials has rate n

Let be a random sample from an exponential distribution with probability density function f(x| if , and 0 otherwise, where is an unknown parameter. If {}, then which of the following statements are true?

  1. A. is a 97% confidence interval for .
  2. B. is a 96% confidence interval for .
  3. C. is a 95% confidence interval for .
  4. D. is a 96% confidence interval for .

You have the answer. Trap Analysis is why the other three were written.

Not a worked solution repeated four times — the specific reasoning error each wrong option was built to reward.

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50 are analysed free — try those first.

Related counterexample: The MLE is unbiased

More on this topic

The chapter behind this: Maximum likelihood and the method of moments — free to read

From EstimationMLE and method of moments

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