$3.54 per gallon there ya go
Answer:


Step-by-step explanation:
A company claims that its soup vending machines deliver exactly 8 ounces of soup to every customer.
This means that the null hypothesis is that the mean is exactly 8, that is:

You do not want the vending machines to deliver too much or too little soup.
We don't want the mean to be different from 8, which means that the alternative hypothesis is given by:

So 70 students had bought lunch because 70% of 100 is 70. Now take away 60% of that and you get 42.
Answer:
5
Step-by-step explanation:
Because, If you do it step by step you will get your answer.