Volume= L x w x h
v=168 x 115 x 96
v=1,854,720 cubic yards
Answer:
doesnt c = 1
Step-by-step explanation:
I don't even know I'm just tryna get points
Answer:






Step-by-step explanation:
Answer:
b. 224
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 want to find n, when
So






The nearest integer number to 223.9 is 224.
So the correct answer is:
b. 224