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Mathematics 11 Online
OpenStudy (anonymous):

Assume we select 5 balls at random from 6 orange and 7 yellow balls (so 13 total). What is the probability that, of the 5 balls selected at random, at least 2 are orange and at least 2 are yellow?

OpenStudy (uri):

Do you have answer options?

OpenStudy (anonymous):

No, I have to enter the calculations into an empty webwork box.

OpenStudy (uri):

Ooo xD

OpenStudy (anonymous):

5c2*5c385c4*5c5 in this way we can select atleast 2 orange balls.As it is given 'least',so we have to strt from 2.and continues to the maximum no. of orange balls we can take.

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