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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.
Bill of Materials are kept current with changes using: a) Inventory Tracking Systems b) Engineering Change Order Systems c) Master Scheduling Systems d) Capacity Planni
1. Two individuals, Vic and Val, are both working. Vic faces a 10 percent chance of becoming unemployed for three months and losing $12,000 of income. Val's probability of becoming
How is Microsoft and other software manufacturers combating the threat of open source software and other free tools that compete with its commercial products? Do you think that thi
1) One change method is to encourage testing activities throughout the change process. "Piloting" ideas throughout the change process gives opportunities that are safe to challenge
How have globalization and information technology created new opportunities for entrepreneurs? Describe current demographic trends that suggest new goods and services for entrepren
Briargrove has agreed to your plan. The CLN Team is asking for a refined version of the plan making the corrections based on their recommendations. They are requesting a comprehe
Fun Products, Inc. is in the business of designing computer games. At the end of a particularly successful year, company management decided to throw a celebration party at which it
state the major factors that affect location decisions?
What are the economic and social consequences of prohibiting the replacement of economic strikers?
A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper i
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