Use the Given Information to Find the Minimum Sample Size

question 39

Multiple Choice

Use the given information to find the minimum sample size required to estimate an unknown population mean µ.
-How many weeks of data must be randomly sampled to estimate the mean weekly sales of a new line of athletic footwear? We want 99% confidence that the sample mean is within $200 of the population mean, and the population standard deviation is known to be $1400.

• A) 325
• B) 189
• C) 133
• D) 267

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Definitions:

Traits

Characteristic qualities or attributes that can be used to distinguish individuals from one another, often considered in the study of personality and leadership effectiveness.

Followership

The role or behaviors of individuals who follow the lead or direction of others, contributing to the group's or organization's goals.

Emergent Leader

An individual who naturally comes to be recognized as a leader by peers within a group due to their actions, decisions, and influence rather than formal appointment.

Legitimate Leader

An individual who holds a leadership position that is recognized and accepted by followers as rightful and lawful based on established rules or standards.