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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.
A small firm intends to increase the capacity of a bottleneck operation by adding a new machine. Two alternatives, A and B, have been identified, and the associated costs and reven
Super TV Channel 6 operates in a major Midwestern city and is on the air 24 hours a day. Labour-management relations there have been relatively good over the years. There are three
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Determine whether ability or motivation is more important in selecting the right person for the right job. Explain your rationale.
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100-day workout is the term given to an execution driven process where interventions begin immediately, not after a protracted period.
Research suggests that a party with an attractive BATNA will likely receive a more positive outcome if it hides the information from the other side.
1- With respect to a firm's supply chain design, what are some key challenges in terms of achieving an optimal level of mass customization? 2 - Articulate key aspects of operati
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