The figure below is a net for a rectangular prism. Side a = 69 centimeters, side b = 22 centimeters, and side c = 15 centimeters
1 answer:
You might be interested in
Answer:
2x-5
remainder of 0
Step-by-step explanation:
Check the image
Answer:
The sample size required is at least 171
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.
What sample size is required?
A samle size of at least n is required, in which n is found when
So
Rouding up
The sample size required is at least 171