Rick Wing, salesperson for Wave SolderingSystems, Inc. (WSSI), has provided you with a proposal forimproving the temperature control on your present machine.The machine uses a hot-air knife to cleanly remove excess solder from printed circuit boards; this is a great concept, butthe hot-air temperature control lacks reliability. According toWing, engineers at WSSI have improved the reliability of thecritical temperature controls. The new system still has the foursensitive integrated circuits controlling the temperature, butthe new machine has a backup for each. The four integratedcircuits have reliabilities of .90, .92, .94, and .96. The fourbackup circuits all have a reliability of .90.a) What is the reliability of the new temperature controller?b) If you pay a premium, Wing says he can improve all fourof the backup units to .93. What is the reliability of thisoption?

The following table lists all costs of quality incurred by Kate's shop last year. Annual inspection costs 247000 Annual cost of scrap materials 456000 Annual rework cost 204679 Annual cost of quality training 626000 Annual warranty cost 1886000 Annual testing cost 664000 What was Kate's appraisal cost for quality last year?

The production line that is experiencing problems produces a large quantity of food. Even a short amount of time outside of optimal operating conditions can result in substantial waste. What would be the best quality tool to use in order to ensure the line is working within established limits and why? There appears to be a variety of issues that can result in quality costs for this particular food product for Supremo. As mentioned in the list of quality costs, defects are occurring in a variety of areas – materials, processing, and personnel. In order to identify the factors directly influencing the quality of the product, what would be the best quality tool and why? One of the technicians has a theory that the ambient temperature of the facility is correlated to product quality. What quality tool could you use to test this theory and why? Another technician believes that the relationships among several variables are complex and require multiple comparisons. She believes that…

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-----R1------ -R2-----R3--   For the parallel production process shown​ above, Upper R 1 =0.92 Upper R 2 =0.90 Upper R3 =0.98   For the given parallel production​ process, the reliability​ = ?

Rick Wing, salesperson for Wave Soldering Systems, Inc. (WSSI), has provided you with a proposal for improving the temperature control on your present machine. The machine uses a hot-air knife to cleanly remove excess solder from printed circuit boards; this is a great concept, but the hot-air temperature control lacks reliability. According to Wing, engineers at WSSI have improved the reliability of the critical temperature controls. The new system still has the four sensitive integrated circuits controlling the temperature, but the new machine has a backup for each. The four integrated circuits have reliabilities of 0.82, 0.84, 0.86, and 0.88. The four backup circuits all have a reliability of 0.82. a) The overall reliability of the new temperature controller =% (enter your response as a percentage rounded to two decimal places). 1. If you pay a premium, Wing says he can improve all four of the backup units to 0.91. the overall reliability of the new temperature controller with the…

What is the reliability of the following parallel pro-duction process? R1 5 0.95, R2 5 0.90, R3 5 0.98.

If the test/retest reliability of a measure is .80, it means The measure meets typical reliability standards. The measure should be revised to get closer to 100% reliability The measure is actually unreliable and should be discarded The measure likely has good construct validity

A reliability statement for a given product would be incomplete unless it included: Select one: a. Installation time requirements b. Manufacturing environmental requirements c. A numerical probability value d. Unsuccessful product performance requirements Clear my choice

A manufacturer of household kettles subjected 50 kettles to 10 000 hours of testing. Test results for the 50 kettles show that there were two failures at 3500 hours, two failures at 4800 hours, one failure at 8600 hours, and two more failures at 9000 hours. 4.1.1 Calculate the failure rate percentage (FR %).4.1.2 Calculate the number of failures per unit-hour (FR N).4.1.3 Calculate the MTBF at this point in testing.