A box contains four red two white and three green marbles all of which are the same size two marbles are selected one after from the box without replacement what is the probability that marbles are the same color

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(IDK AND STATISTICS, BUT HERE IS A VISUAL)

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post