SOLUTION: I am so so lost!!! Please help! Been working on this for 3 hours now! In 2010 almost 15 million workers belonged to trade unions, constituting 11.9% of the total labor force. Ch

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Question 890267: I am so so lost!!! Please help! Been working on this for 3 hours now!
In 2010 almost 15 million workers belonged to trade unions, constituting 11.9% of the total labor force. Choose 15 workers at random. What is the probability that exactly one-third of them belong to a trade union? At least one-third? What is the probability that at least 9 did not belong?

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


What have you tried in those three hours?

John

My calculator said it, I believe it, that settles it
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