The monthly incomes from a random sample of workers in a factory are shown below. 
a.Compute the standard error of the mean (in dollars).
b.Compute the margin of error (in dollars) at 95% confidence.
c.Compute a 95% confidence interval for the mean of the population. Assume the population has a normal distribution. Give your answer in dollars.
Definitions:
Capacity
The maximum level of output that a company can sustain to make a product or provide a service.
Production Possibilities Frontier
A curve depicting all maximum output possibilities for two goods, given a set of inputs, assuming all resources are fully and efficiently utilized.
Unemployment Rate
The slice of the labor pool actively seeking employment but currently unemployed.
Full Production
The state where all available resources are being used efficiently to produce goods and services.
Q28: Refer to Exhibit 9-4. The p-value is
Q30: A company claims that the standard deviation
Q39: When the assumption of equally likely outcomes
Q67: An official of a large national
Q85: The Highway Safety Department wants to study
Q97: Refer to Exhibit 9-5. The p-value is<br>A)0.2112<br>B)0.05<br>C)0.025<br>D)0.1056
Q110: Sampling distribution of <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2206/.jpg" alt="Sampling distribution
Q111: A sample of 64 account balances from
Q120: In order to test the following
Q158: When a continuous probability distribution is used