Probability

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Probability

by swerve » Fri Nov 14, 2025 1:05 pm

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Your Answer

A

B

C

D

E

Global Stats

A box contains \(5\) white balls and \(8\) black balls. A ball is removed from the box and replaced by two balls of the other color (for example, if a white ball is removed, then it is replaced by two black balls and vice versa). After that, a second ball is drawn. What is the probability that the second ball is black?

A. \(1/2\)
B. \(38/91\)
C. \(53/91\)
D. \(8/13\)
E. \(5/7\)

The OA is C
Source: — Problem Solving |