SOLUTION: If 3 balls are drawn from a bag containing 3 red and 4 blue balls, what is the expected number of red balls in the sample?

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Question 116175: If 3 balls are drawn from a bag containing 3 red and 4 blue balls, what is the expected number of red balls in the sample?
Answer by heidi(17) About Me  (Show Source):
You can put this solution on YOUR website!
(3/4)red balls expected