What is defined as the "widespread acceptance of something as necessary, rightful, and legally binding"?

Rejecting the null hypothesis when in fact it is true results is a

A) High alpha level. B) Type I error. C) Type II error. D) Indigestion.

The cities of North America have an urban history that spans __________ centuries

a. 21 b. 11 c. 5 d. 4