1. In the preceding exercise, you started with 10 organisms growing at 1 ounce per week. Five random organisms had their growth rates changed to 2 ounces per week, so you might think that the total of...

1. In the preceding exercise, you started with 10 organisms growing at 1 ounce per week. Five random organisms had their growth rates changed to 2 ounces per week, so you might think that the total of all the organisms’ rates would be 5*1 + 5*2, which is 15. But when I ran the program, the total was only 14. Why?