05/08/06
12.4.6 Continued
1. Difficult - So I'm wondering if I got this right... it seems all the Poisson problems deal with probabilities of expecting something... like "What is the probability that ____ will happen 2 times?" or "What's the probability that we'll find one ____?"
2. Reflective - I think by looking at these problems I can kinda see how the infinity fits in... like the questions don't ask "What's the probability that ___ will happen 5 times if I do _____ 20 times?" There doesn't seem to be a set number of events... perhaps because these are such rare events we don't need to.
1. Difficult - So I'm wondering if I got this right... it seems all the Poisson problems deal with probabilities of expecting something... like "What is the probability that ____ will happen 2 times?" or "What's the probability that we'll find one ____?"
2. Reflective - I think by looking at these problems I can kinda see how the infinity fits in... like the questions don't ask "What's the probability that ___ will happen 5 times if I do _____ 20 times?" There doesn't seem to be a set number of events... perhaps because these are such rare events we don't need to.
posted by Tina Marcroft at 10:33 PM
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