An Urn Contains Three Red R Balls Numbered 1, 2

question 111

Multiple Choice

An urn contains three red R balls numbered 1, 2 and 3, four white W balls numbered 4, 5, 6 and 7, and three black B balls numbered 8, 9 and 10 A ball is drawn from the urn. What is the probability that it is red and odd-numbered O? ​

• A)Pr(R and
• O) =
• B)Pr(R and
• O) =
• C)Pr(R and
• O) =
• D)Pr(R and
• O) =
• E)Pr(R and
• O) =

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Definitions:

Contribution Margin Ratio

A financial metric that measures the proportion of sales revenue that exceeds variable costs and contributes to covering fixed expenses and generating profit.

Net Loss

The result when a company's total expenses exceed its total revenues during a specific period, indicating a negative profit.

Break-Even Point

The point at which total costs and total revenues are exactly equal, resulting in no net profit or loss for a business.

Net Operating Income

The income from a company's primary business operations, excluding deductions of interest and taxes.