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A bag contain 6 red and 5 green identical balls.

Two ball are draw at random one after the

other without replacement. What is the

probability that both balls are of the same

colour​

Respuesta :

Answer:

3/11 for two red balls

2/11 for two green balls

Step-by-step explanation:

6 red and 5 green balls

  • first ball - red= 6/11, green= 5/11
  • second red ball- 5/10=1/2, second green ball- 4/10= 2/5
  • Two red balls = 6/11*1/2= 3/11
  • Two green balls= 5/11*2/5= 2/11

Answer:

3/11

2/11

Step-by-step explanation: