5.41 Poisson vs. Binomial Let X be a binomial random variable with n = 20 and p=0.1....

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5.41 Poisson vs. Binomial Let X be a binomial random variable with n = 20 and p=0.1.

a. Calculate P(X 2) using Table 1 in Appendix I to obtain the exact binomial probability.

b. Use the Poisson approximation to calculate P(X 2).

c. Compare the results of parts a and

b. Is the approxi- mation accurate?

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