Suppose It Is Desired to Estimate the Average Time a Customer

question 22

Multiple Choice

Suppose it is desired to estimate the average time a customer spends in a particular store to within 5 minutes $$( \text { e.g. } \pm 5 \text { minutes) }$$ at 99% reliability. It is estimated that the standard deviation of the
Times is 15 minutes. How large a sample should be taken to get the desired interval?

• A)n = 299
• B)n = 60
• C)n = 25
• D)n = 35

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Definitions:

Self-fulfilling Prophecy

A belief or expectation that an individual holds about a future event that manifests because the individual holds it.

Self-determination Theory

A psychological theory that emphasizes the importance of autonomy, competence, and relatedness in fostering intrinsic motivation and psychological growth.

Academic Behavior

Refers to actions and attitudes related to the learning process, including study habits, engagement in class, and completion of assignments.

Motivation

The process that initiates, guides, and maintains goal-oriented behaviors.