All you need to do is divide 1470 by 35, which is 42.
Answer:
sorry if this is wrong but i think its 9 17/89
Answer
Yes, this is a valid inference because she took a random sample of the neighborhood.
Step-by-step explanation:
As we can see that Sue's survey was non biased and completely random.
She found that 18% of the families would volunteer to help at the shelter. She claims that 18% of the neighborhood families would be expected to to help at the animal shelter.
So, yes, this is a valid inference because she took a random sample of the neighborhood.
I Hope that had help out you little more