A bag contains 3 white chips,7 blue chips,16 green chips Now 2 chips drawn from the box in succession what is the probability that one is blue and other is white?(a)7/50(b)8/30(c) 7/25(d)20/26

• any one explain th answer
  
• 12 years agoHelpfull: Yes(3) No(5)
• is not 3 white box it is 13 white box then ans will be 7/50
• 11 years agoHelpfull: Yes(1) No(0)
• ans is 20/26
  probablity is no of events/total
  so 3c07c1+3c17c0+3c116c0+7c116c0=7+3+3+7=20
  total 3+7+16=26
  so ans is 20/26
  
• 12 years agoHelpfull: Yes(0) No(13)
• s=26c2
  n(E)=7c1*3c1=21
  p(E)=21/325 ans
• 8 years agoHelpfull: Yes(0) No(0)