ali3875 ali3875
  • 13-01-2020
  • Mathematics
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one bowl contain 3 blue and 7 red marble.A marble is randomly picked from a bowl and the colour is noted.The marble isbnot replaced.A second marble is picked.What is the probability that first marble is blue and the second is red​

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HamK
HamK HamK
  • 13-01-2020

Answer: 7/30

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