calebpence19 calebpence19

14-04-2022
Mathematics

contestada

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?

Respuesta :

johnny837 johnny837

14-04-2022

Answer:

9/13

Step-by-step explanation:

Total = 9 + 4

= 13

Probability: 9/13

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