Step-by-step explanation:
7. 180 -92 -67 =21. 180-21 = 159
8.180-144 = 36 + 94 = 130 180-130 = 50
The answer is b all you have to do is imput a value
I'm pretty sure that you multiply 10x by 6. Since it is length by width those are the length and the width.
Glad I could help!
Complete Question
The complete question is shown on the first uploaded image
Answer:
The confidence level interval is 
Step-by-step explanation:
The sample size is 
The number planning to increase workforce is 
The confidence level is
%
The value of proportion for a plus 4 method is

substituting values


The z-critical value at confidence level of 98% is

This values is obtained from the standard normal table
The confidence level interval can be mathematically represented as

substituting values


=> 
I think that the answer is a because you only have to terms after you distribute hope this helps you