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A box contains only white balls and black balls. What is the probability that a ball selected at random from the box is

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by Vincen » Wed Oct 06, 2021 5:47 am

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A box contains only white balls and black balls. What is the probability that a ball selected at random from the box is white?

(1) There are \(100\) balls in the box.
(2) There are \(40\) black balls in the box.

Answer: C

Source: Official Guide
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Source: — Data Sufficiency |