Answer:
The 99% confidence interval for the mean number of hours of part-time work per week for all college students is between 25.8 and 30.2.
Step-by-step explanation:
A confidence interval has the following format.

In which
is the mean of the sample and M is the margin of error.
In this problem, we have that:



The 99% confidence interval for the mean number of hours of part-time work per week for all college students is between 25.8 and 30.2.
It means it has no rise or run it means it’s 0 on the plot
Answer:
-10
Step-by-step explanation:
-8 feet minus 2 feet would equal -10 feet. It helps to think of it as a negative number instead, so it would be -8 ft + (-2) ft = -10 feet. Hope this helps!!
Twenty million, four hundred and eighty four thousand, one hundred and sixty three.