Which of the following is not the property of binomial distribution ?
Correct answer: D. Probability of success varies from trial to trial
- A. n is fixed
- B. Has two outcomes
- C. Trials are independent
- D. Probability of success varies from trial to trial
Explanation
A binomial distribution requires the success probability to remain constant on every trial. A changing probability is characteristic of sampling without replacement, commonly modeled by the hypergeometric distribution.
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