SOLUTION: 2 vases 1st vase red flwr(3), white flwr.(3), pink flwr. (3), 2nd Vase red flwr,(5),white flwr.(4), pink flwr. (3), What are chances of picking same color flw. if one p

Question 598854: 2 vases 1st vase red flwr(3), white flwr.(3), pink flwr. (3),
2nd Vase red flwr,(5),white flwr.(4), pink flwr. (3),
What are chances of picking same color flw. if one picks 1 flw. from each vase blindfolded.
Please tell me how you do this ? TIA
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
2 vases 1st vase red flwr(3), white flwr.(3), pink flwr. (3),
2nd Vase red flwr,(5),white flwr.(4), pink flwr. (3),
What are chances of picking same color flw. if one picks 1 flw. from each vase blindfolded.
---
Ways to succeed: 2red or 2white or 2 pink
# of ways to get 2red: 3*5 = 15
# of ways to get 2 white: 3*4 = 12
# of ways to get 2pink: 3*5 = 15
--
Total # of ways to succeed: 42
----
# of random pairs: 9*12 = 108
---
P(2 of same color) = 42/108 = 21/54 = 7/18
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Cheers,
Stan H.
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