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1.A credit card company is interested in the average balance tht is carried by its college aged card holders. They are particularly interested in whether the average balance of the college aged cardholders is significantly different from that of the cardholders who are in their early 20s, who have an average balance of $1385. A sample of 40 college aged card holder accounts reveals an average balance of $1250 and a SD of $350.
If you were to set up a set of hypotheses for this situation, what woiuld the null and alternative be?
2. In the above mentioned question, what is your decision at alpha=0.01. Justify your answer.
3. A survey was conducted by careerbuilder.com to see what percent of managers viewed emotional intelligence as important. Their goal was to create a 95% confidence interval with a margin of error of 1.9 percentage points. How many managers should they have sampled?
4. The results from the above survey were reportedd on August 18,2011 and stated that 34% of hiring managers said they are placing greater emphasis on emotional intelligence. The article used 2662 US hiring managers in the survery. Using this information create a 95 % confidence interval for the results.
How would you go about analyzing an organizational structure in terms of creating a work breakdown structure? What are the major organizational characteristics that you would evalu
What type of transmission path does a fixed wireless signal require? a. line-of-sight b. non-line-of-sight c. omni-directional d. code divided
A quality analyst wants to construct a sample mean chart for controlling a packaging process. He knows from past experience that the process standard deviation is two ounces. Each
Describe how you think contracting fits into the acquisition program. Feel free to use some of your own experiences and examples
Race One Motors is an Indonesian car manufacturer. At its largest manufacturing facility, in Jakarta, the company produces subcomponents at a rate of 300 per day, and it uses these
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Abbott Manufacturing produces plastic cases for solar photovoltaic panels and has decided to combine orders from customers to increase work order size, and thereby make one large p
Needs for Trade- offs - Business Strategy In recent years another reason for questioning the need for trade-offs has arisen. In manufacturing industries great efforts have bee
Determine the sample standard deviation(s) for the following data: 7, 9, 2, 0, 1, and 5. s = 2.805 s = 3.266 s = 2.927 s = 3.578
program to find optimal sequence, total elapsed time and total idle time in 6 jobs and 3 machines
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