Answer:
1.165.
Step-by-step explanation:
We have that to find our 
level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of 
.
So it is z with a pvalue of 
, so 
Now, find the margin of error M as such
In which 
is the standard deviation of the population and n is the size of the sample.
In this problem, we have that:
. So
So the correct answer is:
1.165.
Answer:A that is what I think the answer is
the population is the 40 seniors who were randomly selected and the sample is all seniors
Seven hundred and and eighty thousand
There are 1000 millimeters in a meter and 0.001 meters in a millimeter
