Asked by lynn

a box contains 63 marbles 21 brown, 21 purple and 21 while what is the probability of picking a purple marble on the 1st attempt anor a brown marble on the second attempt?
Answered by Kara
purple- 1 in 63
brown- 1 in 62
Answered by Becky
purple- 21/63 reduced to 1/3
brown- 21/62
Answered by ashley
purple- 1/3
brown 21/62
Answered by Reiny
the probability of picking the 2 marbles the way you described it is

21/63 * 21/62
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