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1. The average lateness for one of the top airline companies is 10 minutes. The Standard Deviation of the lateness measure is calculated as 3. An airplane arrived 8.5 minutes after the stated arrival time. Calculate the Z-score of the airplanes lateness
2. Health insurers and the federal govt are both putting pressure on the hospitals to shorten average length of stay of their patients. A random sample of 20 hospitals in one state had a mean length of stay for non heart patients in 2000 of 3.8 days and a SD of 1.2 days. Calculate a 95% confidence interval for the population mean LOS for non heart patients in the states hospitals.
3. At a local manufacturing plant employees must complete new machine set ups within 30 minutes. New machine set up times can be described by a normal model with a mean of 22 minutes and a SD of four minutes. What percent of new machine set ups take more than 30 minutes?
4.A random sample of 100 European professional soccer players has an average age of 27 years and a SD of 4 years. We would like to decide if there is enough evidence to establish that average age of European soccer players is significantly more than 26 years. What is the nul hypothesi?
5. What is the sample value of the test statistic?
6. At 0.01 level of significance, what decision would you make? Include proper reason.
Traditional learning methods include lectures, hands-on, on-the-job training, self-directed learning, apprenticeship, case studies, business games, role plays, behaviour modelling,
A stock out occurs when supply exceeds demand during the lead time
Category- 1) Invoice Amount does not agree with check amount 2) Invoice not on record 3) No formal invoice issued 4) Check (payment) not recieved on time 5) Check no
Goldratt - Theory of Constraints 1 identify the systems constraints 2 exploit the systems constraints 3 subordinate everything else to the above decision 4 elevate
Please answer a detailed explanation for the following scenario: Your Company has recently hired a new employee for an upper level management position. They have performed exceptio
requirements of an mrp
They have set up two TFSAs for long-term savings. One has a balance of $10,123 ($10,000 contributions, $123 in interest income for one year ). These funds are currently earn
Predetermined Time Standards (PTS) - Process Design This is a work measurement technique whereby times established for basic human motions (classified according to the nature
Games4U makes video games on CDs at its Old Town plant. The plant produces 800 games each day, and employs 100 workers that work 8 hours each day. They use the following resources
The numbers of patient arrivals to the ER department at a local hospital for the past 5 weeks are: week: 1 , 2 , 3 , 4 , 5 arrivals: 405 ,420 , 400 , 380 , 411 a) Compute a three-w
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