The Manager of a Grocery Store Has Taken a Random

question 30

Multiple Choice

The manager of a grocery store has taken a random sample of 100 customers.The average length of time it took these 100 customers to check out was 3 minutes.It is known that the standard deviation of the population of checkout times is 1 minute.With a .95 probability, the sample mean will provide a margin of error of

• A) 1.96.
• B) .10.
• C) .196.
• D) 1.64.

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Definitions:

Math Problems

Challenges or exercises requiring counting, calculation, and logical reasoning skills, often used in educational settings to develop numerical and critical thinking abilities.

Efficient Strategies

Approaches and methods that achieve desired outcomes with the least amount of wasted time, effort, or resources.

Formal Schooling

Structured education provided typically in a classroom setting, following a prescribed curriculum.

Episodic Knowledge

Knowledge of the events we have experienced, such as what you ate for breakfast.