An Urn Contains 12 Balls, Five of Which Are Red

question 56

Multiple Choice

An urn contains 12 balls, five of which are red. Selection of a red ball is desired and is therefore considered to be a success. If three balls are selected, what is the expected value of the distribution of the number of selected red balls?

• A) 0.4167
• B) 0.8333
• C) 0.5833
• D) 1.2500

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Definitions:

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Reasons or statements presented in opposition to a particular stance, proposal, or theory.

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Data or facts that cannot be trusted due to inaccuracies, biases, or lack of credibility.

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