Hey! Your answer would be x = 6a/5
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:
2nd one: amelia has 7 muffins left after filling 42 boxes
Step-by-step explanation:
The formula for the volume of a cylinder is V=Bh or V=πr2h
$2.38/0.40 lb = $5.95/1 lb
The spinach cost $5.95 per pound.