SOLUTION: a) Calculate the expected number of smokers in a random sample of 140 students from this university

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Question 1145879: a) Calculate the expected number of smokers in a random sample of 140 students from this university
Answer by ikleyn(52825) About Me  (Show Source):
You can put this solution on YOUR website!
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From which university ?


Some key part is missed in your post.


Without it, the solution IS NOT POSSIBLE.