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Which of the following is not a condition of the binomial distribution?

  • A.Only 2 possible outcomes
  • B.Have a constant probability of success
  • C.Must have at least 3 trials
  • D.
    Trials must be independent

Answer: C

A binomial experiment requires exactly three things: each trial has only two outcomes, the probability of success is the same on every trial, and the trials are independent.

The number of trials \( n \) may be any positive integer - even one - so "must have at least 3 trials" is not a condition.

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