Otal personal income in the United States (in billions of dollars) for selected years from 1960 and projected to 2018 follows. Year 1960 1970 1980 1990 2000 2008 2018 Personal Income 411.5 838.8 2307.9 4878.6 8429.7 12,100.7 19,129.6 (a) These data can be modeled by an exponential function. Write the equation of this function, with x as the number of years past 1960. (Round your numerical values to four decimal places.)

What situation is an example of an observational study

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

Is it true or false i’m trying to pass this test so i can leave school