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Seven white balls and three black balls are randomly placed in a row. The probability that no two black balls are placed adjacently equals (1998 - 2 Marks)
  • a)
    1/2
  • b)
    7/15
  • c)
    2/15
  • d)
    1/3
Correct answer is option 'B'. Can you explain this answer?
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Seven white balls and three black balls are randomly placed in a row. ...
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Seven white balls and three black balls are randomly placed in a row. The probability that no two black balls are placed adjacently equals (1998 - 2 Marks)a)1/2b)7/15c)2/15d)1/3Correct answer is option 'B'. Can you explain this answer?
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