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4.78 (4 points) Given that x is a random variable for which a Poisson probability distribution provides a good approximation, use Table III in Appendix A to compute the following. a. P (x ( 2) when ( = 1. b. P (x ( 2) when ( = 2. c. P (x ( 2) when ( = 3. d. What happens to the probability of the event {x ( 2} as ( increase from 1 to 3? ................
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