16+16+16+9+9=32+16+9+9=48+9+9=57+9=66
The answer is 66
Answer:
10.5 miles
Step-by-step explanation:
You multiply the distance with the number of times he ran.
Answer:
Margin of error of 0.0485 hours.
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
.
That is z with a pvalue of
, so Z = 1.96.
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 question:

The margin of error is of:



Margin of error of 0.0485 hours.
How can we help you with this?
Answer:
wgxvbdx
Step-by-step explanation:
sorry