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A First Course in Probability | 9th Edition | ISBN: 9780321794772 | Authors: Sheldon Ross
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Each of 2 cabinets identical in appearance has 2 drawers.

Chapter 3, Problem 48P

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QUESTION:

Problem 48P

Each of 2 cabinets identical in appearance has 2 drawers. Cabinet A contains a silver coin in each drawer, and cabinet B contains a silver coin in one of its drawers and a gold coin in the other. A cabinet is randomly selected, one of its drawers is opened, and a silver coin is found. What is the probability that there is a silver coin in the other drawer?

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QUESTION:

Problem 48P

Each of 2 cabinets identical in appearance has 2 drawers. Cabinet A contains a silver coin in each drawer, and cabinet B contains a silver coin in one of its drawers and a gold coin in the other. A cabinet is randomly selected, one of its drawers is opened, and a silver coin is found. What is the probability that there is a silver coin in the other drawer?

ANSWER:

Step 1 of 2

Each of 2 cabinets has 2 drawers.

Cabinet A contains a silver coin in each drawer, and cabinet B contains a silver coin in one of its drawers and a gold coin in the other drawer.

A cabinet selected randomly, one of its drawers is opened, and a silver coin is found.

We have to find the probability that there is a silver coin in the other drawer.

 

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