Asked by lee
A bag contains six blue and 4
red balls ,3 balls are drawn at random replacement what is expected no.of red balls that can be drawn?
red balls ,3 balls are drawn at random replacement what is expected no.of red balls that can be drawn?
Answers
Answered by
Steve
That would be
1*P(1red)+2*P(2red)+3*P(3red)
Now just figure the probabilities of drawing 1,2 or 3 red balls.
1*P(1red)+2*P(2red)+3*P(3red)
Now just figure the probabilities of drawing 1,2 or 3 red balls.
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