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a jar contains colored stones. 4 are pink stones, 9 orange, and 5 green. ryan picks one stone, records its color and puts it back in the jar. then he draws another stone. what is the probability of taking out an orange stone followed by a green stone

Sagot :

4P
9O
5G
He takes out 2 stones
9/18
5/18
14/36
7/18
I think