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Mathematics, 09.07.2021 20:10 PONBallfordM89
There are two boxes containing red and blue balls. For box A, there are 3red balls and 7blue balls. For box B, there are 6red balls and 4blue balls. Now randomly pick up one ball from the two boxes, and the selected ball is red. What is the probability that this red ball is from box A
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There are two boxes containing red and blue balls. For box A, there are 3red balls and 7blue balls....
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