SOLUTION: Two urns each contain blue and green balls. The first urn has 2 blue and 3 green. The second urn has 2 blue and 5 green. What is the probaility that both balls will be green? I can

Algebra ->  Test -> SOLUTION: Two urns each contain blue and green balls. The first urn has 2 blue and 3 green. The second urn has 2 blue and 5 green. What is the probaility that both balls will be green? I can      Log On


   



Question 35138: Two urns each contain blue and green balls. The first urn has 2 blue and 3 green. The second urn has 2 blue and 5 green. What is the probaility that both balls will be green? I can't figure out fraction problems.
Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
Urn 1 has 3 green balls in a total of 5 balls
Urn 2 has 5 green balls in a total of 7 balls

P(green in urn1 and green in urn2)
P(green urn1) AND P(green in urn2)
P(green urn1)*P(green in urn2)
+%283%2F5%29%2A%285%2F7%29+
+3%2F7+

jon