A Video Rental Store Wants to Know What Proportion of Its

question 55

Short Answer

A video rental store wants to know what proportion of its customers are under 21 years old. A simple random sample of 500 customers is taken, and 375 of them are under 21. Assume that the true population proportion of customers aged under 21 is 0.68.
What is the probability that the sample proportion will be within 0.03 of the true proportion of customers who are aged under 21?

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Definitions:

Personal Error Patterns Chart

A visual or written record used to track and analyze the recurring mistakes an individual makes, often used in educational and personal development contexts to improve performance.

Error Symbol

A visual or textual marker used to indicate a mistake or an issue that needs correction, commonly found in programming and written texts.

Bottoms Up Proofreading Technique

A method of proofreading that involves starting from the end of a document and working backwards, to focus on spelling and syntax errors.

Personal Error Patterns

Repeated mistakes or consistent inaccuracies in an individual's work or behavior, often analyzed to improve performance or learning.