SOLUTION: a bag contains 3 green marbles and 1 purple marbles. one marble is drawn at random and not replaced. then the second marble is drawn . what is the probability that the first marble

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Question 855911: a bag contains 3 green marbles and 1 purple marbles. one marble is drawn at random and not replaced. then the second marble is drawn . what is the probability that the first marble is purple and the second one is green ?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

bag contains 4 marbles:  3 green and 1 purple

2 marbles drawn one at a time, w/o replacement

P(P then G) = %281%2F4%29%283%2F3%29 = 1/4