The economic policy of lowering tariffs and other barriers to encourage trade and investment is known as:

Often, the initial prototypes of forms and reports are mock screens that are not working modules or systems

Indicate whether the statement is true or false

The manager in charge of concessions at an NFL football stadium is interested in estimating the mean dollars that are spent per person attending the games

A pilot sample of n = 50 people has revealed a sample mean and standard deviation of $12.35 and $2.35 respectively. He wishes to estimate the population mean within ± $0.20 of the true mean and wishes to have a confidence level of 95 percent. Given this, he needs to sample an additional 481 people. Indicate whether the statement is true or false