EMARGENCY

1. To set x-bar chart upper and lower control limits, one must know the process central line, which is the:

1 average cost 2. percent defects in the populations 3.total number of defects in the population 4. size of the population 5. average of the sample mean

2. For which of the following would a control chart for attributes NOT appropriate?

1. Length of metal rods 2. number of rotten apples 3. number of complaints issued 4. number of nonfunctioning builbs 5. proportion of broken eggs in a carton

3. A manager examines xbar cotrol chart and observes that no data points dell outside of limits. Can this process be considered in control? Choose that all apply.

1. Not yet, there could be a patter to points 2. Not yet the R chart must be checked 3. yes 4. not yet, the number of samples must be known

4. In linear programming problems, decision variables:

1. measure the values of each constraint 2. none of them are relevant explanations 3. measure object function 4. measure how much or how many items to produce, purchase, hire etc

5. To measure the voltage of batteries, one would sample by attributes T/F?

6. PHILIPS is making the Christmas edition if smart light bulb this year. Based on historical data, PHILIPS sells on average 5000bulbs with a standard deviation 400. the sale price per bulb is 100 and the cost per bulbs is $45. At the end of the holiday seasons, resellers will purchase left bulbs from PHILIPS with a unit price of $40. What are the probabilities of understocking?