SOLUTION: Two urns contain respectively 3 white, 7 red, 15 black balls and 10 white, 6 red, 9 black balls. One ball is drawn from each urn. What is the probability that both will be of same

Question 934885: Two urns contain respectively 3 white, 7 red, 15 black balls and 10 white, 6 red, 9 black balls. One ball is drawn from each urn. What is the probability that both will be of same colour?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Both white : .

.
.
Both red :

.
.
Both black :

.
.
So then,

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