Answer:
7 cm
Step-by-step explanation:
First you need to check if the equation line was 10, then use it!
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.
Answer:
729/5 • x^3 • y^20 • z^11
Step-by-step explanation:
Answer:
$5.10
Step-by-step explanation:
15% of 34
15/100 × 34 = $5.10
The answer to this is - + 3