Find the Specified Percentile, Quartile, or Decile

question 135

Multiple Choice

Find the specified percentile, quartile, or decile.
-The lifetimes of lightbulbs of a particular type are normally distributed with a mean of 263 hours and a standard deviation of 8 hours. Find the first quartile, Q1 .

• A)257.64
• B)268.36
• C)265
• D)261

---

Definitions:

Communication

The exchange of information or ideas through speaking, writing, or other mediums between individuals or groups.

Status Generalization

The process by which characteristics of individuals that are irrelevant to a situation influence others' perception of their status or authority within that context.

Satisfaction

A state of contentment or pleasure experienced when an individual’s wants or needs are fulfilled.

Centralized Network

A network configuration where communication and decision-making are concentrated in a single node or individual, facilitating coordination and control.