o AT&T; LTE 12:33 AM blackboard.boisestate.edu 33. Eight samples of - 50 were ta

Question

o AT&T; LTE 12:33 AM blackboard.boisestate.edu 33. Eight samples of - 50 were taken by an operator at a workstation in a production process. The number of defective items in each sample was recorded as follows Number of 10 12 10 16 14 10 (a) Management wants to develop a p-chart. What are the control limits? (b) Is the process in a state of control 4, Frank James works for a peoduction facility that makes car radios. His job is to insert the imegraled eircuits an make sure that they work corectly. He is expected to handle 20 radios per hour. The actory uses a Kanban production systcm with containers that hold four radios. It takes 60 minutes for Frank to roccive the radios from th previous work station. The factoey sets safety stock at S0 percent of demand during lead time. How mamy Kanba are needed

Explanation / Answer

33)

     0.2

   50

a) Control limits

UCL = 0.369

LCL = 0.0302

b) Yes, the process is in control

34) #KB = (DD*(LT+SS))/KBS +1

= (20*(1+10))/4+1

= 56

Sample Sample size (n) Number of defects (np) Fraction of defects (p) 1 50 10 0.20 2 50 0 0.00 3 50 12 0.24 4 50 8 0.16 5 50 10 0.20 6 50 16 0.32 7 50 14 0.28 8 50 10 0.20

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