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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.
What do you understand by “line balancing”? What happens if balance doesn’t exist?
A farmer has 10 acres to plant in wheat and barley. He has to plant at least 7 acres. However, he has only $1200 to spend and each acre of wheat costs $200 to plant and each acre o
In the U.S., consumer expenditures on homes and other large purchases tend to slow down during a recession because a. of steady supply of loanable funds in the economy dur
Last week employees at Renee's Fashions worked 360 hours to produce 128 garments. Of these, 8 were seconds which were sold at the outlet store for $90 each. The remaining 120 garme
(1) The following table presents Mary's marginal utility for each of the four goods she consumes to exhaust her income. The price of Good 1 is $1, the price of Good 2 is $2, the p
As mentioned in the attached reading on Revolutionary radicalism, the colonial response to British laws following the French and Indian War was extremely violent in many cases. Ma
3. You are the Director of International Development for a company that supplies technology to law enforcement agencies in the detection of crime. You have developed mar
As mentioned previously the MODI method is an efficient method of testing the optimality of a transportation solution. It may be recalled that in the application of the steppi
Learning Teaching and Assessment Strategy: Key lectures will be delivered and immediately followed up by group tutorials in which the opportunity to critically reflect, analys
markov analysis problem
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