how do I do this problem? x Y watch new episode of arro.. x cu The Flesh Video T

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how do I do this problem?

x Y watch new episode of arro.. x cu The Flesh Video The 4 x rk Midterm Quality Engin X Y putlocker Yahoo Sesrch O https//uwstout. nt/3627966/view Content/ courses Problem 5 When quality engineers refer to acompany has achieved six sigma quality level, they often mention the company has 3 4 defect per million opportunities (3.4 DPMO). Here is what happened in the process: 1. Customer provide a Lower Speciation Limit (LSL) and Upper Specificaticn Limit (USL and Target (Target (USL LSLM2M When a proces at Six Sigma level, the relationship between the prccess sigma and USL-USL) is USLUSL) 2 Sigma" 3. The actual process center shifted from Target to Target 1.5 Sigma Page 3 of 4 Use the informaticn above, complete the following questions 1. Show how 3.4 DI MOis calculated. Using th type of calculation, dete ne the DPMMO for a company that ve sigma (where "(USL-LSL)-10 Sigma quality level 3. If a company is currently at five sigma quality leveland has a planto improve 20% y years it take th ity level ny to 2.12 AM

Explanation / Answer

We are calculating for 6 sigma with a 1.5 sigma shift. So, sigma here is 4.5

So, probability of defect = Zinv(4.5) = 0.000003398 = 3.398*10^6 = 3.4defects per million

For 5 sigma quality level and 1.5 sigma shift, we have sigma = 3.5

So, probability of defect = Zinv(3.5) = 0.0002326 = 232.6 defects per million

If the company improves 20% annually, it reduces 20% of it's defects each year.

So, after n years number of defects per million is 3.4.

Hence, 232.6*0.8^n = 3.4

n = 18.94 = 19 years

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