SOLUTION: A box contains 4 red and 5 blue similar rings. What is the probability of selecting at random two rings: i. having same colour ii. having different colours

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Question 951038: A box contains 4 red and 5 blue similar rings. What is the probability of selecting at random two
rings:
i. having same colour ii. having different colours
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!

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We could have also done,
P%28diff%29=1-P%28same%29=1-4%2F9=5%2F9