Answer:


And the margin of error with this one:


Step-by-step explanation:
Assuming that the parameter of interest is the sample mean
. And we can estimate this parameter with a confidence interval given by this formula:
(1)
For this case the confidence interval is given by (1.9, 3.3)
Since the confidence interval is symmetrical we can estimate the sample mean with this formula:


And the margin of error with this one:


Answer:
18.3125
18.5635
18 13/16
Step-by-step explanation:
Answer:
A. 30
Step-by-step explanation:
Because it showed up the most
Answer:
about .24 mile per hour
1 mile is 5280 foot
Step-by-step explanation:
Answer:
99
Step-by-step explanation:
That quadrilateral equals to 360. So i had to add the numbers which equal 261. Then i did 360-261=99.