There are five marbles in a jar.  Three marbles are black and two are teal. You choose one marble without looking.  What is the probability that you will choose a black marble?
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1 Answer

after take out 1 marbel, hav 4 left in jar

3 blak -1=2 blak marbels in jar=half av em

chans yu get blak marbel=50%
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