leneenmarshall2358 leneenmarshall2358
  • 04-09-2019
  • Mathematics
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If 4 people are selected from a group of 6 married couples, what is the probability that none of them would be married to each other?

Respuesta :

AungKaungsett
AungKaungsett AungKaungsett
  • 04-09-2019

Answer:

16/33

Step-by-step explanation:

12C4(total possible outcomes)=495

Since there are 6 married couples there must be 6*[2C2×10C2]=270

must subtracted 15 since when there are 2 couples in a group would have doubled 270-15=255

the no of groupings with no married couples 495-255 =240

probability=no of favourable outcomes /no of possible outcome

probability=240/495= 16/33

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