Which of the following are continuous random variables?
1- The number of textbooks that each student has to buy for college
2- The amount of annual rainfall in Portland last year
3- The amount of vanilla in a batch of chocolate chip cookies
4- The weight of each football player on the Redskins team
5- The number of dog sleds that a competitor uses in an annual sled dog race
![Which of the following are continuous random variables 1 The number of textbooks that each student has to buy for college 2 The amount of annual rainfall in Por class=](https://us-static.z-dn.net/files/d90/e8699b6e15d2b0e60664091eaac44f44.png)