Three machines ,A,B,C produce 25% ,25% and 50% repectively of the output of a factory manufacturing a certain article.A sample of three articles is selected at random form the total output .It a second independent samle of three articles is selected , find the probability that both samples have the sme numver of articles produced by A.
The answer is 385/1024.
Would you please explain why the answer is 385/1024 by using your own words?
Applied Maths (probability)
2011-11-06 11:07 pm
回答 (1)
2011-11-07 2:29 am
收錄日期: 2021-04-23 23:25:17
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