Which answer is an example of systematic sampling?
1) asking your neighbors if they approve of the mayor
2)counting everyone who attends a game
3)asking every fifth person their age
4)submitting an online survey

According to the normal model, what percent of receivers would you expect to gain fewer yards than 2 standard deviations below the mean number of yards

On a piece of paper graph f(x)=5•(0.4)^x

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books