In a lottery, numbered balls from 1 through 69 are placed into a spinning drum. Every 10 seconds a ball rolls down a tube to become one of the eight numbers to be drawn. At the end of the draw, the remaining 61 balls have an equally likely chance of becoming the bonus number. What is the name of this method of sampling?1. Simple random sampling
2. Systematic random sampling
3. Stratified random sampling
4. Convenience sampling

answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere

150

step-by-step explanation:

(sorry i'm not typing it again just read the other two explanation sections i just typed it'll be the same.)

yes, whats the problem?