Question 473646
bag contains 8 pink marbles, 5 green marbles and 10 brown marbles. 
Total marbles = 23

What is the chance of drawing a pink marble?
8 are pink, --> 8/23
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If a pink marble is drawn then placed back into the bag, and a second marble is drawn, what is the probability of drawing a green marble
5 are green, --> 5/23