The Poisson distribution can approximate the binomial distribution under certain conditions. Which statement is true?

The Poisson distribution can approximate the binomial distribution under certain conditions. Which statement is true?

• A. It is appropriate when n is large and p is small, with n p moderate
• B. It is appropriate when n is small and p large
• C. It is never a good approximation
• D. It is appropriate when p = 0.5 regardless of n

Answer: (A)