Comparing Approximations to the Binomial Distribution

If n is large and p is small the Poisson approximation can be used.

If n is large, np > 5 and n(1-p) > 5 a normal approximation can be used.


Enter values for n, p, x1, x2 and x3.

The program will provide probabilities: P(X ≤ x1), P(X ≤ x2) and P(X ≤ x3) calculated using the binomial distribution and the poisson and normal approximations.

n =
p =
x1 =
x2 =
x3 =




Binomial

Poisson

Normal



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