SOLUTION: A bag contains 7 lavender marbles, 11 turquoise marbles and 5 rainbow marbles. What is the chance of drawing a turquoise marble? If a turquoise marble is drawn then placed back int

Question 445454: A bag contains 7 lavender marbles, 11 turquoise marbles and 5 rainbow marbles. What is the chance of drawing a turquoise marble? If a turquoise marble is drawn then placed back into the bag, and a second marble is drawn, what is the probability of drawing a rainbow marble? Give solutions exactly in reduced fraction form, separated by a comma.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi

 23 Marbles in all of which: 7 are lavender, 11 are turquoise and 5 are rainbow

 P(drawing a turquoise) = 

Turquoise replaced..back to 23 marbles in the bag

 P(drawing a rainbow) =  

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