Answer:
all you need to do is fine the difference of the numbers
Step-by-step explanation:
Answer: The population is all US workers. The sample is adults who respond to the survey.
Step-by-step explanation: The population is the intended group that the question is about, all U.S. workers.
The sample is a small portion if that group, as it would be practically impossible to get data from everyone,
This sample is the adults who responded to this sutvey.
The sample might not be an accurate cross section of all workers, depending on how the website ensures that it includes appropriate segments of urban, suburban, and rural dwellers, from various regions of the country, and from different economic groups.
Answer:
The test statistic is 
Step-by-step explanation:
From the question we are told that
The population mean is 
The sample size is 
The sample mean is 
The standard deviation is 
Generally the test statistics is mathematically represented as

substituting values


Hope this helps you!!!!!!!!!!
By subtracting x from 2x you’ll get the answer: 4x^2+x+2 I hope that helps!!