SOLUTION: There is a bag filled with 3 blue, 4 red and 5 green marbles. A marble is taken at random from the bag, the colour is noted and then it is replaced. Another marble is taken at

Algebra ->  Probability-and-statistics -> SOLUTION: There is a bag filled with 3 blue, 4 red and 5 green marbles. A marble is taken at random from the bag, the colour is noted and then it is replaced. Another marble is taken at       Log On


   



Question 1162357: There is a bag filled with 3 blue, 4 red and 5 green marbles.
A marble is taken at random from the bag, the colour is noted and then it is replaced.
Another marble is taken at random.
What is the probability of getting exactly 1 blue?

Answer by Edwin McCravy(20054) About Me  (Show Source):
You can put this solution on YOUR website!

AND means MULTIPLY, OR means ADD:



%283%2F12%29%2A%289%2F12%29%2B%289%2F12%29%283%2F12%29

%281%2F4%29%283%2F4%29%2B%283%2F4%29%281%2F4%29

3%2F16%2B3%2F16

6%2F16

3%2F8

Edwin