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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?
asked 57.1k views
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?

asked
User Oladapo Omonayajo
by
8.2k points

1 Answer

8 votes

Answer:

9/13

Explanation:

Total = 9 + 4

= 13

Probability: 9/13

answered
User Nasr
by
8.5k points
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