SOLUTION: there are 5 red balls and 6 black balls in a bowl ,two balls are picked up at random simultaneously. what is the probability of two balls being same colour

SOLUTION: there are 5 red balls and 6 black balls in a bowl ,two balls are picked up at random simultaneously. what is the probability of two balls being same colour

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Question 881583: there are 5 red balls and 6 black balls in a bowl ,two balls are picked up at random simultaneously. what is the probability of two balls being same colour
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
With replacement,

So together,

.
.
.
Without replacement,

So together,

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