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One study has evaluated a number of leukaemia records in a rural area. The population of...

One study has evaluated a number of leukaemia records in a rural area. The population of the area was 35,000. In a year there were 12 leukaemia cases identified. In the general population like this, the annual rate of leukaemia is about one in 10,000. Was it evidence of a problem in the area, or was it a chance? Can you verify this? Would Binomial or Poisson distribution be suitable for modeling this case?

math   Statistics-And-Probability   
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Rate f leuhaemia 0.000, 70000 identied smas. So, we use the Posikon ttere, m ;stoo large. , but his ver 3.5 3.5 else, We need Ini, e-3.5 (12)! O. 0002 eases in theトþadahon in vera smas, i-b to this has hothened, Indieatng evidene H

So,there is an evidence of a problem.

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