The population (in millions) of a certain country can be approximated using the following function; p(x)=40 ( 1.02)^x where x is the number of years after 2000. which of the following calculations will tell you what the population can be expected to reach 200 million?

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.