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A jar contains nine black buttons and four brown buttons. If nine buttons are picked at random, what is the probability that all of them are black?

A jar contains nine black buttons and four brown buttons. If nine buttons are picked at random, what is the probability that all of them are black?
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11 votes
A jar contains nine black buttons and four brown buttons. If nine buttons are picked

at random, what is the probability that all of them are black?

User Oladapo Omonayajo
by
8.2k points

1 Answer

8 votes

Answer:

9/13

Explanation:

Total = 9 + 4

= 13

Probability: 9/13

User Nasr
by
8.5k points
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