Can someone help me with this probability question
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Can someone help me with this probability question

[From: ] [author: ] [Date: 11-05-18] [Hit: ]
B.C.......
3 balls are randomly selected from a bag containing 3 white balls and 5 black balls.

A) how many ways are there to choose the 3 balls?
B) how many ways are there to choose exactly 2 white balls?
C) what is the probability that there are exactly 2 white balls?

Pls explain how to do it

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A. 8c3 = 8!/3!5! = 56 <-------

B. 3c2*5c1 = 15 <-------

C. Pr = favorable outcomes / total outcomes =15/56 <-------
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