An Urn Contains 8 Red, 9 White, and 2 Black

question 57

Multiple Choice

An urn contains 8 red, 9 white, and 2 black balls. One ball is drawn from the urn, it is replaced, and a second ball is drawn. Construct a probability tree to determine the probability that at least one ball drawn is black B. ​

• A)Pr(at least one
• B) =
• B)Pr(at least one
• B) =
• C)Pr(at least one
• B) =
• D)Pr(at least one
• B) =
• E)Pr(at least one
• B) =

---

Definitions:

Operation Time

The total amount of time that is required to complete a specific operation in the production process.

Work Cell

A configuration of resources in a manufacturing environment arranged for the efficient production of a product, focusing on minimizing movement and wait times, often as part of a lean manufacturing strategy.

Staff Demand

The projected need for employees in an organization to meet its goals and workload.

Plant Operation

The activities involved in managing and running a manufacturing, processing, or production facility to produce goods or products.