reinamartinez9328 reinamartinez9328

08-10-2017
Mathematics

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

Respuesta :

10-10-2017

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

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