reinamartinez9328 reinamartinez9328
  • 08-10-2017
  • Mathematics
contestada

A bag contains 44 red balls and 55 blue balls. 22 balls are selected at random. find the probability of selecting 22 red balls.

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nbaaxe
nbaaxe nbaaxe
  • 10-10-2017
# of ways to select 2 red balls: 5C2 = 10
# of random pairs of balls: 12C2 = 66
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