Mathematics, 19.07.2021 01:00 papasully1
There are 5 black balls and 4 white balls in a bag. One ball is drawn from the bag, the colour is noted and put back in the bag, then another is drawn.
Answers: 3
There are 5 black balls and 4 white balls in a bag.
One ball is drawn from the bag, the colour is n...
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