Three balls marked with 1,2 and 3 are placed in an urn. One ball is drawn, its number is noted, .... VIDEO
Three balls marked with 1,2 and 3 are placed in an urn. One ball is drawn, its number is noted, then the ball is returned to the urn. This process is repeated andhttps://bit.ly/YTAI_PWAP https://www.pw.live
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