A bag contains 2red,4 green,4 blue and 2 yellow caps. if four caps are picked at random, what is the probability that none is green?
a)1/99
b)77/99
c)14/99
d)4/99
e)none

• 2 red ,4 green,4 blue , 2 yellow=12 caps =four picked at random =12c4
  no green that means
  8c4
  so probablity= no.of outcomes /total outcomes
  8c4/12c4=8*7*6*5/12*11*10*9 =14/99
  so , ans is c
• 8 years agoHelpfull: Yes(4) No(3)
• 8c4/12c4 since we should not pick green it is8c4, and in the total sample sample space it is12c4
• 7 years agoHelpfull: Yes(2) No(0)
• ans is (c)
  because the total sample space is 12C4
  now the probability is none is green that means 8C4
  then probability= no.of outcomes/total sample space
  8C4/12C4=14/99
• 7 years agoHelpfull: Yes(0) No(0)