A Video Rental Store Wants to Know What Proportion of Its

question 21

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 350 of them are under 21. Assume that the true population proportion of customers aged under 21 is 0.68. If another simple random sample of size 500 is taken, what is the probability that more than 70% of customers are under 21 years old?

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Definitions:

State Society

A complex society with a formal, centralized government structure and social stratification.

Richard Wrangham

An anthropologist and primatologist recognized for his research on primate behavior, particularly relating to the evolution of human dietary habits.

Male-Dominated Society

A social system in which men hold primary power and predominate in roles of political leadership, moral authority, social privilege, and control of property.

Violence

The use of physical force or power, threatened or actual, against oneself, another person, or against a group or community, which either results in or has a high likelihood of resulting in injury, death, psychological harm, maldevelopment, or deprivation.