Answer:
See below
Step-by-step explanation:
She could have each student in the class write his or her name on a slip of paper and put it in a bowl. Then, she could shake the bowl and pull out any slip of paper with a student's name on it. After 3 times, the random sample would be over, and Mrs. Purdue would have her 3 representatives.
Answer: 21
Step-by-step explanation:
420/20=21
Answer:
Y = x + 3/1
Step-by-step explanation: