The population of the United States from 1970 to 2010 can be modeled by a function where is the population (in millions) and is the time in decades since 1970. Some values for this function are shown in the table. (Note: represents 1970.) 0 1 2 3 4 203 227 249 281 309 What was the average rate of change, in millions of people per decade, in the U. S. population from 1970 to 2000? Round to the nearest whole number.

Match the vocabulary to the proper definition. in probability, two events in which 1. conditional probability the outcome of one event is independent of the outcome of a second event. 2. dependent events in probability, two events in which the outcome of one event is dependent on the outcome of a second event. the probability of an event in which the outcome of the event is conditional on the outcome of one or more different events. 3. independent events