Which statement is correct concerning the normal approximation Why not the others a The normal Poisson approximation is acceptable when 10 b The normal binomial approximation is better when n is small and is large c Normal approximations are needed since Excel lacks discrete probability functions

Question: Which statement is correct concerning the normal approximation? Why not the others? a. The normal Poisson approximation is acceptable when 10. b. The

Which statement is correct concerning the normal approximation? Why not the others?
a. The normal Poisson approximation is acceptable when λ ≥ 10.
b. The normal binomial approximation is better when n is small and π is large.
c. Normal approximations are needed since Excel lacks discrete probability functions.

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