There are 200 individuals with a skin disorder ,120 had been exposed to the chemicals C1 ,50 exposed to chemical C2 ,and 30 to both the chemicals C1 and C2 .Find the number of individuals exposed to -chemical C1 or Chemical C2?

Asked by Padmaja kaushik | 3rd Apr, 2014, 07:45: AM

Expert Answer:

As per the question, 200 individuals have a skin disorder. It is not specifically mentioned in the first statement of the question that all of them have the skin disorder due to Chemicals C1 or C2 only. The skin order could be due to some other chemical also.
 

Answered by  | 3rd Apr, 2014, 09:39: AM

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