(6 times 2x) + (6 times 5y)
Pretty sure the answer is 18
3^2+3^2=9+9=18 (with a square root)
Answer:
What do you mean
Step-by-step explanation:
I don’t understand
Answer:
c) .22
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 question:

Then



Answer:
is this spanish? or the real question
Step-by-step explanation: