SOLUTION: In a popolation,0.03% of the people have physical trait X.On the average,it will be necessary to screen how many people to find six with trait X?

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Question 1047533: In a popolation,0.03% of the people have physical trait X.On the average,it will be necessary to screen how many people to find six with trait X?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
mu+=+np

====> 6+=+n%2A0.0003 ====> n = 20,000, the number of people necessary.