If a manager believes that the required sample size is too large for a situation in which she desires to estimate the mean income of blue collar workers in a state, which of the following would lead to a reduction in sample size?

The United States, Canada, and Mexico created the North American Free Trade Agreement (NAFTA) to lower trade barriers among themselves

Indicate whether the statement is true or false

Which of the following is most likely to be served in a last-in, first-served (LIFS) queue discipline?

A) customers checking out at a grocery store B) the in-basket on a manager's desk C) patients entering a hospital emergency room D) patrons waiting to be seated in a casual-dining restaurant E) customers waiting to see a bank teller